Home / 10,349.24-15,515.20-4,105.36

Finding the Fourth Proportional to 10,349.24, 15,515.20 and 4,105.36

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Solution

The fourth proportional to 10,349.24, 15,515.20 and 4,105.36 is: 6,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.24 : 15,515.20 = 4,105.36 : x
  2. Step 2: Convert to fraction form
    10,349.24/15,515.20 = 4,105.36/x
  3. Step 3: Cross multiply
    10,349.24x = 15,515.20 × 4,105.36
  4. Step 4: Simplify right side
    10,349.24x = 63,695,481.47
  5. Step 5: Solve for x
    x = 63,695,481.47/10,349.24
  6. Step 6: Final answer
    x = 6,154.60

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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.