Home / 10,253.33-15,382.16-5,813.12

Finding the Fourth Proportional to 10,253.33, 15,382.16 and 5,813.12

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Solution

The fourth proportional to 10,253.33, 15,382.16 and 5,813.12 is: 8,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.33 : 15,382.16 = 5,813.12 : x
  2. Step 2: Convert to fraction form
    10,253.33/15,382.16 = 5,813.12/x
  3. Step 3: Cross multiply
    10,253.33x = 15,382.16 × 5,813.12
  4. Step 4: Simplify right side
    10,253.33x = 89,418,235.96
  5. Step 5: Solve for x
    x = 89,418,235.96/10,253.33
  6. Step 6: Final answer
    x = 8,720.90

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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.