Home / 8,666.48-11,956.92-5,523.68

Finding the Fourth Proportional to 8,666.48, 11,956.92 and 5,523.68

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Solution

The fourth proportional to 8,666.48, 11,956.92 and 5,523.68 is: 7,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.48 : 11,956.92 = 5,523.68 : x
  2. Step 2: Convert to fraction form
    8,666.48/11,956.92 = 5,523.68/x
  3. Step 3: Cross multiply
    8,666.48x = 11,956.92 × 5,523.68
  4. Step 4: Simplify right side
    8,666.48x = 66,046,199.87
  5. Step 5: Solve for x
    x = 66,046,199.87/8,666.48
  6. Step 6: Final answer
    x = 7,620.88

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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.