Home / 11,207.27-15,472.46-7,435.55

Finding the Fourth Proportional to 11,207.27, 15,472.46 and 7,435.55

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Solution

The fourth proportional to 11,207.27, 15,472.46 and 7,435.55 is: 10,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.27 : 15,472.46 = 7,435.55 : x
  2. Step 2: Convert to fraction form
    11,207.27/15,472.46 = 7,435.55/x
  3. Step 3: Cross multiply
    11,207.27x = 15,472.46 × 7,435.55
  4. Step 4: Simplify right side
    11,207.27x = 115,046,249.95
  5. Step 5: Solve for x
    x = 115,046,249.95/11,207.27
  6. Step 6: Final answer
    x = 10,265.32

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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.