Home / 11,788.40-16,267.20-6,752.64

Finding the Fourth Proportional to 11,788.40, 16,267.20 and 6,752.64

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Solution

The fourth proportional to 11,788.40, 16,267.20 and 6,752.64 is: 9,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.40 : 16,267.20 = 6,752.64 : x
  2. Step 2: Convert to fraction form
    11,788.40/16,267.20 = 6,752.64/x
  3. Step 3: Cross multiply
    11,788.40x = 16,267.20 × 6,752.64
  4. Step 4: Simplify right side
    11,788.40x = 109,846,545.41
  5. Step 5: Solve for x
    x = 109,846,545.41/11,788.40
  6. Step 6: Final answer
    x = 9,318.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.