Home / 10,517.40-15,776.51-2,726.01

Finding the Fourth Proportional to 10,517.40, 15,776.51 and 2,726.01

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Solution

The fourth proportional to 10,517.40, 15,776.51 and 2,726.01 is: 4,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.40 : 15,776.51 = 2,726.01 : x
  2. Step 2: Convert to fraction form
    10,517.40/15,776.51 = 2,726.01/x
  3. Step 3: Cross multiply
    10,517.40x = 15,776.51 × 2,726.01
  4. Step 4: Simplify right side
    10,517.40x = 43,006,910.40
  5. Step 5: Solve for x
    x = 43,006,910.40/10,517.40
  6. Step 6: Final answer
    x = 4,089.12

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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.