Home / 8,958.28-13,412.77-6,760.35

Finding the Fourth Proportional to 8,958.28, 13,412.77 and 6,760.35

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Solution

The fourth proportional to 8,958.28, 13,412.77 and 6,760.35 is: 10,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.28 : 13,412.77 = 6,760.35 : x
  2. Step 2: Convert to fraction form
    8,958.28/13,412.77 = 6,760.35/x
  3. Step 3: Cross multiply
    8,958.28x = 13,412.77 × 6,760.35
  4. Step 4: Simplify right side
    8,958.28x = 90,675,019.67
  5. Step 5: Solve for x
    x = 90,675,019.67/8,958.28
  6. Step 6: Final answer
    x = 10,121.92

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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.