Home / 10,957.90-16,432.80-3,562.60

Finding the Fourth Proportional to 10,957.90, 16,432.80 and 3,562.60

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Solution

The fourth proportional to 10,957.90, 16,432.80 and 3,562.60 is: 5,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.90 : 16,432.80 = 3,562.60 : x
  2. Step 2: Convert to fraction form
    10,957.90/16,432.80 = 3,562.60/x
  3. Step 3: Cross multiply
    10,957.90x = 16,432.80 × 3,562.60
  4. Step 4: Simplify right side
    10,957.90x = 58,543,493.28
  5. Step 5: Solve for x
    x = 58,543,493.28/10,957.90
  6. Step 6: Final answer
    x = 5,342.58

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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.