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Finding the Fourth Proportional to 8,882.34, 12,246.12 and 7,283.13

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Solution

The fourth proportional to 8,882.34, 12,246.12 and 7,283.13 is: 10,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.34 : 12,246.12 = 7,283.13 : x
  2. Step 2: Convert to fraction form
    8,882.34/12,246.12 = 7,283.13/x
  3. Step 3: Cross multiply
    8,882.34x = 12,246.12 × 7,283.13
  4. Step 4: Simplify right side
    8,882.34x = 89,190,083.96
  5. Step 5: Solve for x
    x = 89,190,083.96/8,882.34
  6. Step 6: Final answer
    x = 10,041.28

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Half scale
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Double scale
Find fourth proportional to 8,883.34, 12,247.50 and 7,284.13
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.