Home / 10,490.16-15,731.97-3,468.60

Finding the Fourth Proportional to 10,490.16, 15,731.97 and 3,468.60

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Solution

The fourth proportional to 10,490.16, 15,731.97 and 3,468.60 is: 5,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.16 : 15,731.97 = 3,468.60 : x
  2. Step 2: Convert to fraction form
    10,490.16/15,731.97 = 3,468.60/x
  3. Step 3: Cross multiply
    10,490.16x = 15,731.97 × 3,468.60
  4. Step 4: Simplify right side
    10,490.16x = 54,567,873.40
  5. Step 5: Solve for x
    x = 54,567,873.40/10,490.16
  6. Step 6: Final answer
    x = 5,201.82

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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.