Home / 7,742.96-10,687.92-4,758.92

Finding the Fourth Proportional to 7,742.96, 10,687.92 and 4,758.92

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Solution

The fourth proportional to 7,742.96, 10,687.92 and 4,758.92 is: 6,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.96 : 10,687.92 = 4,758.92 : x
  2. Step 2: Convert to fraction form
    7,742.96/10,687.92 = 4,758.92/x
  3. Step 3: Cross multiply
    7,742.96x = 10,687.92 × 4,758.92
  4. Step 4: Simplify right side
    7,742.96x = 50,862,956.25
  5. Step 5: Solve for x
    x = 50,862,956.25/7,742.96
  6. Step 6: Final answer
    x = 6,568.93

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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.