Home / 10,363.60-15,545.40-10,298.80

Finding the Fourth Proportional to 10,363.60, 15,545.40 and 10,298.80

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Solution

The fourth proportional to 10,363.60, 15,545.40 and 10,298.80 is: 15,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.60 : 15,545.40 = 10,298.80 : x
  2. Step 2: Convert to fraction form
    10,363.60/15,545.40 = 10,298.80/x
  3. Step 3: Cross multiply
    10,363.60x = 15,545.40 × 10,298.80
  4. Step 4: Simplify right side
    10,363.60x = 160,098,965.52
  5. Step 5: Solve for x
    x = 160,098,965.52/10,363.60
  6. Step 6: Final answer
    x = 15,448.20

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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.