Home / 10,299.52-15,451.42-4,143.52

Finding the Fourth Proportional to 10,299.52, 15,451.42 and 4,143.52

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Solution

The fourth proportional to 10,299.52, 15,451.42 and 4,143.52 is: 6,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.52 : 15,451.42 = 4,143.52 : x
  2. Step 2: Convert to fraction form
    10,299.52/15,451.42 = 4,143.52/x
  3. Step 3: Cross multiply
    10,299.52x = 15,451.42 × 4,143.52
  4. Step 4: Simplify right side
    10,299.52x = 64,023,267.80
  5. Step 5: Solve for x
    x = 64,023,267.80/10,299.52
  6. Step 6: Final answer
    x = 6,216.14

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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.