Home / 11,776.60-16,251.68-6,740.84

Finding the Fourth Proportional to 11,776.60, 16,251.68 and 6,740.84

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Solution

The fourth proportional to 11,776.60, 16,251.68 and 6,740.84 is: 9,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.60 : 16,251.68 = 6,740.84 : x
  2. Step 2: Convert to fraction form
    11,776.60/16,251.68 = 6,740.84/x
  3. Step 3: Cross multiply
    11,776.60x = 16,251.68 × 6,740.84
  4. Step 4: Simplify right side
    11,776.60x = 109,549,974.61
  5. Step 5: Solve for x
    x = 109,549,974.61/11,776.60
  6. Step 6: Final answer
    x = 9,302.34

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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.