Home / 10,231.13-15,348.77-3,657.15

Finding the Fourth Proportional to 10,231.13, 15,348.77 and 3,657.15

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Solution

The fourth proportional to 10,231.13, 15,348.77 and 3,657.15 is: 5,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.13 : 15,348.77 = 3,657.15 : x
  2. Step 2: Convert to fraction form
    10,231.13/15,348.77 = 3,657.15/x
  3. Step 3: Cross multiply
    10,231.13x = 15,348.77 × 3,657.15
  4. Step 4: Simplify right side
    10,231.13x = 56,132,754.21
  5. Step 5: Solve for x
    x = 56,132,754.21/10,231.13
  6. Step 6: Final answer
    x = 5,486.47

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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.