Home / 10,344.48-15,516.72-4,105.92

Finding the Fourth Proportional to 10,344.48, 15,516.72 and 4,105.92

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Solution

The fourth proportional to 10,344.48, 15,516.72 and 4,105.92 is: 6,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.48 : 15,516.72 = 4,105.92 : x
  2. Step 2: Convert to fraction form
    10,344.48/15,516.72 = 4,105.92/x
  3. Step 3: Cross multiply
    10,344.48x = 15,516.72 × 4,105.92
  4. Step 4: Simplify right side
    10,344.48x = 63,710,410.98
  5. Step 5: Solve for x
    x = 63,710,410.98/10,344.48
  6. Step 6: Final answer
    x = 6,158.88

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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.