Home / 10,531.97-14,533.38-5,815.88

Finding the Fourth Proportional to 10,531.97, 14,533.38 and 5,815.88

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Solution

The fourth proportional to 10,531.97, 14,533.38 and 5,815.88 is: 8,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.97 : 14,533.38 = 5,815.88 : x
  2. Step 2: Convert to fraction form
    10,531.97/14,533.38 = 5,815.88/x
  3. Step 3: Cross multiply
    10,531.97x = 14,533.38 × 5,815.88
  4. Step 4: Simplify right side
    10,531.97x = 84,524,321.41
  5. Step 5: Solve for x
    x = 84,524,321.41/10,531.97
  6. Step 6: Final answer
    x = 8,025.50

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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.