Home / 10,288.75-15,433.17-4,132.75

Finding the Fourth Proportional to 10,288.75, 15,433.17 and 4,132.75

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Solution

The fourth proportional to 10,288.75, 15,433.17 and 4,132.75 is: 6,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.75 : 15,433.17 = 4,132.75 : x
  2. Step 2: Convert to fraction form
    10,288.75/15,433.17 = 4,132.75/x
  3. Step 3: Cross multiply
    10,288.75x = 15,433.17 × 4,132.75
  4. Step 4: Simplify right side
    10,288.75x = 63,781,433.32
  5. Step 5: Solve for x
    x = 63,781,433.32/10,288.75
  6. Step 6: Final answer
    x = 6,199.14

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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.