Home / 10,115.59-15,175.21-3,095.47

Finding the Fourth Proportional to 10,115.59, 15,175.21 and 3,095.47

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Solution

The fourth proportional to 10,115.59, 15,175.21 and 3,095.47 is: 4,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.59 : 15,175.21 = 3,095.47 : x
  2. Step 2: Convert to fraction form
    10,115.59/15,175.21 = 3,095.47/x
  3. Step 3: Cross multiply
    10,115.59x = 15,175.21 × 3,095.47
  4. Step 4: Simplify right side
    10,115.59x = 46,974,407.30
  5. Step 5: Solve for x
    x = 46,974,407.30/10,115.59
  6. Step 6: Final answer
    x = 4,643.76

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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.