Home / 10,020.62-15,032.28-4,175.86

Finding the Fourth Proportional to 10,020.62, 15,032.28 and 4,175.86

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Solution

The fourth proportional to 10,020.62, 15,032.28 and 4,175.86 is: 6,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.62 : 15,032.28 = 4,175.86 : x
  2. Step 2: Convert to fraction form
    10,020.62/15,032.28 = 4,175.86/x
  3. Step 3: Cross multiply
    10,020.62x = 15,032.28 × 4,175.86
  4. Step 4: Simplify right side
    10,020.62x = 62,772,621.60
  5. Step 5: Solve for x
    x = 62,772,621.60/10,020.62
  6. Step 6: Final answer
    x = 6,264.35

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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.