Home / 10,583.26-15,878.18-4,343.78

Finding the Fourth Proportional to 10,583.26, 15,878.18 and 4,343.78

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Solution

The fourth proportional to 10,583.26, 15,878.18 and 4,343.78 is: 6,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.26 : 15,878.18 = 4,343.78 : x
  2. Step 2: Convert to fraction form
    10,583.26/15,878.18 = 4,343.78/x
  3. Step 3: Cross multiply
    10,583.26x = 15,878.18 × 4,343.78
  4. Step 4: Simplify right side
    10,583.26x = 68,971,320.72
  5. Step 5: Solve for x
    x = 68,971,320.72/10,583.26
  6. Step 6: Final answer
    x = 6,517.02

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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.