Home / 10,393.77-15,587.13-3,371.88

Finding the Fourth Proportional to 10,393.77, 15,587.13 and 3,371.88

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Solution

The fourth proportional to 10,393.77, 15,587.13 and 3,371.88 is: 5,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.77 : 15,587.13 = 3,371.88 : x
  2. Step 2: Convert to fraction form
    10,393.77/15,587.13 = 3,371.88/x
  3. Step 3: Cross multiply
    10,393.77x = 15,587.13 × 3,371.88
  4. Step 4: Simplify right side
    10,393.77x = 52,557,931.90
  5. Step 5: Solve for x
    x = 52,557,931.90/10,393.77
  6. Step 6: Final answer
    x = 5,056.68

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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.