Home / 10,302.28-15,453.42-2,511.08

Finding the Fourth Proportional to 10,302.28, 15,453.42 and 2,511.08

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Solution

The fourth proportional to 10,302.28, 15,453.42 and 2,511.08 is: 3,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.28 : 15,453.42 = 2,511.08 : x
  2. Step 2: Convert to fraction form
    10,302.28/15,453.42 = 2,511.08/x
  3. Step 3: Cross multiply
    10,302.28x = 15,453.42 × 2,511.08
  4. Step 4: Simplify right side
    10,302.28x = 38,804,773.89
  5. Step 5: Solve for x
    x = 38,804,773.89/10,302.28
  6. Step 6: Final answer
    x = 3,766.62

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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.