Home / 10,115.73-13,958.01-6,753.15

Finding the Fourth Proportional to 10,115.73, 13,958.01 and 6,753.15

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Solution

The fourth proportional to 10,115.73, 13,958.01 and 6,753.15 is: 9,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.73 : 13,958.01 = 6,753.15 : x
  2. Step 2: Convert to fraction form
    10,115.73/13,958.01 = 6,753.15/x
  3. Step 3: Cross multiply
    10,115.73x = 13,958.01 × 6,753.15
  4. Step 4: Simplify right side
    10,115.73x = 94,260,535.23
  5. Step 5: Solve for x
    x = 94,260,535.23/10,115.73
  6. Step 6: Final answer
    x = 9,318.21

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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.