Home / 10,356.05-15,523.14-7,432.77

Finding the Fourth Proportional to 10,356.05, 15,523.14 and 7,432.77

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Solution

The fourth proportional to 10,356.05, 15,523.14 and 7,432.77 is: 11,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.05 : 15,523.14 = 7,432.77 : x
  2. Step 2: Convert to fraction form
    10,356.05/15,523.14 = 7,432.77/x
  3. Step 3: Cross multiply
    10,356.05x = 15,523.14 × 7,432.77
  4. Step 4: Simplify right side
    10,356.05x = 115,379,892.13
  5. Step 5: Solve for x
    x = 115,379,892.13/10,356.05
  6. Step 6: Final answer
    x = 11,141.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.