Home / 10,531.26-14,532.89-5,815.44

Finding the Fourth Proportional to 10,531.26, 14,532.89 and 5,815.44

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Solution

The fourth proportional to 10,531.26, 14,532.89 and 5,815.44 is: 8,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.26 : 14,532.89 = 5,815.44 : x
  2. Step 2: Convert to fraction form
    10,531.26/14,532.89 = 5,815.44/x
  3. Step 3: Cross multiply
    10,531.26x = 14,532.89 × 5,815.44
  4. Step 4: Simplify right side
    10,531.26x = 84,515,120.74
  5. Step 5: Solve for x
    x = 84,515,120.74/10,531.26
  6. Step 6: Final answer
    x = 8,025.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.