Home / 10,612.32-15,922.55-3,952.90

Finding the Fourth Proportional to 10,612.32, 15,922.55 and 3,952.90

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Solution

The fourth proportional to 10,612.32, 15,922.55 and 3,952.90 is: 5,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.32 : 15,922.55 = 3,952.90 : x
  2. Step 2: Convert to fraction form
    10,612.32/15,922.55 = 3,952.90/x
  3. Step 3: Cross multiply
    10,612.32x = 15,922.55 × 3,952.90
  4. Step 4: Simplify right side
    10,612.32x = 62,940,247.90
  5. Step 5: Solve for x
    x = 62,940,247.90/10,612.32
  6. Step 6: Final answer
    x = 5,930.87

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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.