Home / 10,361.92-15,543.60-3,434.08

Finding the Fourth Proportional to 10,361.92, 15,543.60 and 3,434.08

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Solution

The fourth proportional to 10,361.92, 15,543.60 and 3,434.08 is: 5,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.92 : 15,543.60 = 3,434.08 : x
  2. Step 2: Convert to fraction form
    10,361.92/15,543.60 = 3,434.08/x
  3. Step 3: Cross multiply
    10,361.92x = 15,543.60 × 3,434.08
  4. Step 4: Simplify right side
    10,361.92x = 53,377,965.89
  5. Step 5: Solve for x
    x = 53,377,965.89/10,361.92
  6. Step 6: Final answer
    x = 5,151.36

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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.