Home / 8,111.04-11,193.18-4,385.04

Finding the Fourth Proportional to 8,111.04, 11,193.18 and 4,385.04

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Solution

The fourth proportional to 8,111.04, 11,193.18 and 4,385.04 is: 6,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.04 : 11,193.18 = 4,385.04 : x
  2. Step 2: Convert to fraction form
    8,111.04/11,193.18 = 4,385.04/x
  3. Step 3: Cross multiply
    8,111.04x = 11,193.18 × 4,385.04
  4. Step 4: Simplify right side
    8,111.04x = 49,082,542.03
  5. Step 5: Solve for x
    x = 49,082,542.03/8,111.04
  6. Step 6: Final answer
    x = 6,051.33

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Half scale
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Double scale
Find fourth proportional to 8,112.04, 11,194.56 and 4,386.04
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.