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Finding the Fourth Proportional to 8,324.03, 11,482.12 and 4,964.60

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Solution

The fourth proportional to 8,324.03, 11,482.12 and 4,964.60 is: 6,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.03 : 11,482.12 = 4,964.60 : x
  2. Step 2: Convert to fraction form
    8,324.03/11,482.12 = 4,964.60/x
  3. Step 3: Cross multiply
    8,324.03x = 11,482.12 × 4,964.60
  4. Step 4: Simplify right side
    8,324.03x = 57,004,132.95
  5. Step 5: Solve for x
    x = 57,004,132.95/8,324.03
  6. Step 6: Final answer
    x = 6,848.14

Related Problems

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Half scale
Find fourth proportional to 16,648.06, 22,964.24 and 9,929.20
Double scale
Find fourth proportional to 8,325.03, 11,483.50 and 4,965.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.