Home / 10,115.34-15,175.17-4,924.14

Finding the Fourth Proportional to 10,115.34, 15,175.17 and 4,924.14

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Solution

The fourth proportional to 10,115.34, 15,175.17 and 4,924.14 is: 7,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.34 : 15,175.17 = 4,924.14 : x
  2. Step 2: Convert to fraction form
    10,115.34/15,175.17 = 4,924.14/x
  3. Step 3: Cross multiply
    10,115.34x = 15,175.17 × 4,924.14
  4. Step 4: Simplify right side
    10,115.34x = 74,724,661.60
  5. Step 5: Solve for x
    x = 74,724,661.60/10,115.34
  6. Step 6: Final answer
    x = 7,387.26

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1.5x scale

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.