Home / 10,254.42-15,382.38-3,680.66

Finding the Fourth Proportional to 10,254.42, 15,382.38 and 3,680.66

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Solution

The fourth proportional to 10,254.42, 15,382.38 and 3,680.66 is: 5,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.42 : 15,382.38 = 3,680.66 : x
  2. Step 2: Convert to fraction form
    10,254.42/15,382.38 = 3,680.66/x
  3. Step 3: Cross multiply
    10,254.42x = 15,382.38 × 3,680.66
  4. Step 4: Simplify right side
    10,254.42x = 56,617,363.03
  5. Step 5: Solve for x
    x = 56,617,363.03/10,254.42
  6. Step 6: Final answer
    x = 5,521.26

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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.