Home / 10,151.64-15,225.37-3,909.51

Finding the Fourth Proportional to 10,151.64, 15,225.37 and 3,909.51

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Solution

The fourth proportional to 10,151.64, 15,225.37 and 3,909.51 is: 5,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.64 : 15,225.37 = 3,909.51 : x
  2. Step 2: Convert to fraction form
    10,151.64/15,225.37 = 3,909.51/x
  3. Step 3: Cross multiply
    10,151.64x = 15,225.37 × 3,909.51
  4. Step 4: Simplify right side
    10,151.64x = 59,523,726.49
  5. Step 5: Solve for x
    x = 59,523,726.49/10,151.64
  6. Step 6: Final answer
    x = 5,863.46

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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.