Home / 10,302.38-15,453.60-2,511.12

Finding the Fourth Proportional to 10,302.38, 15,453.60 and 2,511.12

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Solution

The fourth proportional to 10,302.38, 15,453.60 and 2,511.12 is: 3,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.38 : 15,453.60 = 2,511.12 : x
  2. Step 2: Convert to fraction form
    10,302.38/15,453.60 = 2,511.12/x
  3. Step 3: Cross multiply
    10,302.38x = 15,453.60 × 2,511.12
  4. Step 4: Simplify right side
    10,302.38x = 38,805,844.03
  5. Step 5: Solve for x
    x = 38,805,844.03/10,302.38
  6. Step 6: Final answer
    x = 3,766.69

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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.