Home / 8,074.59-11,142.88-4,717.54

Finding the Fourth Proportional to 8,074.59, 11,142.88 and 4,717.54

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Solution

The fourth proportional to 8,074.59, 11,142.88 and 4,717.54 is: 6,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.59 : 11,142.88 = 4,717.54 : x
  2. Step 2: Convert to fraction form
    8,074.59/11,142.88 = 4,717.54/x
  3. Step 3: Cross multiply
    8,074.59x = 11,142.88 × 4,717.54
  4. Step 4: Simplify right side
    8,074.59x = 52,566,982.12
  5. Step 5: Solve for x
    x = 52,566,982.12/8,074.59
  6. Step 6: Final answer
    x = 6,510.17

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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.