Home / 10,097.16-15,148.13-3,171.66

Finding the Fourth Proportional to 10,097.16, 15,148.13 and 3,171.66

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Solution

The fourth proportional to 10,097.16, 15,148.13 and 3,171.66 is: 4,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.16 : 15,148.13 = 3,171.66 : x
  2. Step 2: Convert to fraction form
    10,097.16/15,148.13 = 3,171.66/x
  3. Step 3: Cross multiply
    10,097.16x = 15,148.13 × 3,171.66
  4. Step 4: Simplify right side
    10,097.16x = 48,044,718.00
  5. Step 5: Solve for x
    x = 48,044,718.00/10,097.16
  6. Step 6: Final answer
    x = 4,758.24

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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.