Home / 8,760.96-12,087.28-5,176.05

Finding the Fourth Proportional to 8,760.96, 12,087.28 and 5,176.05

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Solution

The fourth proportional to 8,760.96, 12,087.28 and 5,176.05 is: 7,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.96 : 12,087.28 = 5,176.05 : x
  2. Step 2: Convert to fraction form
    8,760.96/12,087.28 = 5,176.05/x
  3. Step 3: Cross multiply
    8,760.96x = 12,087.28 × 5,176.05
  4. Step 4: Simplify right side
    8,760.96x = 62,564,365.66
  5. Step 5: Solve for x
    x = 62,564,365.66/8,760.96
  6. Step 6: Final answer
    x = 7,141.27

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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.