Home / 10,649.28-15,973.76-3,723.84

Finding the Fourth Proportional to 10,649.28, 15,973.76 and 3,723.84

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Solution

The fourth proportional to 10,649.28, 15,973.76 and 3,723.84 is: 5,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.28 : 15,973.76 = 3,723.84 : x
  2. Step 2: Convert to fraction form
    10,649.28/15,973.76 = 3,723.84/x
  3. Step 3: Cross multiply
    10,649.28x = 15,973.76 × 3,723.84
  4. Step 4: Simplify right side
    10,649.28x = 59,483,726.44
  5. Step 5: Solve for x
    x = 59,483,726.44/10,649.28
  6. Step 6: Final answer
    x = 5,585.70

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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.