Home / 11,298.87-16,948.17-5,451.35

Finding the Fourth Proportional to 11,298.87, 16,948.17 and 5,451.35

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Solution

The fourth proportional to 11,298.87, 16,948.17 and 5,451.35 is: 8,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.87 : 16,948.17 = 5,451.35 : x
  2. Step 2: Convert to fraction form
    11,298.87/16,948.17 = 5,451.35/x
  3. Step 3: Cross multiply
    11,298.87x = 16,948.17 × 5,451.35
  4. Step 4: Simplify right side
    11,298.87x = 92,390,321.79
  5. Step 5: Solve for x
    x = 92,390,321.79/11,298.87
  6. Step 6: Final answer
    x = 8,176.95

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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.