Home / 11,178.60-16,752.18-8,828.24

Finding the Fourth Proportional to 11,178.60, 16,752.18 and 8,828.24

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Solution

The fourth proportional to 11,178.60, 16,752.18 and 8,828.24 is: 13,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.60 : 16,752.18 = 8,828.24 : x
  2. Step 2: Convert to fraction form
    11,178.60/16,752.18 = 8,828.24/x
  3. Step 3: Cross multiply
    11,178.60x = 16,752.18 × 8,828.24
  4. Step 4: Simplify right side
    11,178.60x = 147,892,265.56
  5. Step 5: Solve for x
    x = 147,892,265.56/11,178.60
  6. Step 6: Final answer
    x = 13,229.95

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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.