Home / 10,368.52-15,545.49-5,170.75

Finding the Fourth Proportional to 10,368.52, 15,545.49 and 5,170.75

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Solution

The fourth proportional to 10,368.52, 15,545.49 and 5,170.75 is: 7,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.52 : 15,545.49 = 5,170.75 : x
  2. Step 2: Convert to fraction form
    10,368.52/15,545.49 = 5,170.75/x
  3. Step 3: Cross multiply
    10,368.52x = 15,545.49 × 5,170.75
  4. Step 4: Simplify right side
    10,368.52x = 80,381,842.42
  5. Step 5: Solve for x
    x = 80,381,842.42/10,368.52
  6. Step 6: Final answer
    x = 7,752.49

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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.