Home / 10,544.31-15,815.42-2,753.12

Finding the Fourth Proportional to 10,544.31, 15,815.42 and 2,753.12

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Solution

The fourth proportional to 10,544.31, 15,815.42 and 2,753.12 is: 4,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.31 : 15,815.42 = 2,753.12 : x
  2. Step 2: Convert to fraction form
    10,544.31/15,815.42 = 2,753.12/x
  3. Step 3: Cross multiply
    10,544.31x = 15,815.42 × 2,753.12
  4. Step 4: Simplify right side
    10,544.31x = 43,541,785.21
  5. Step 5: Solve for x
    x = 43,541,785.21/10,544.31
  6. Step 6: Final answer
    x = 4,129.41

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1.5x scale

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.