Home / 11,207.60-16,805.76-6,529.12

Finding the Fourth Proportional to 11,207.60, 16,805.76 and 6,529.12

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Solution

The fourth proportional to 11,207.60, 16,805.76 and 6,529.12 is: 9,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.60 : 16,805.76 = 6,529.12 : x
  2. Step 2: Convert to fraction form
    11,207.60/16,805.76 = 6,529.12/x
  3. Step 3: Cross multiply
    11,207.60x = 16,805.76 × 6,529.12
  4. Step 4: Simplify right side
    11,207.60x = 109,726,823.73
  5. Step 5: Solve for x
    x = 109,726,823.73/11,207.60
  6. Step 6: Final answer
    x = 9,790.39

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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.