Home / 8,177.24-11,281.15-5,146.99

Finding the Fourth Proportional to 8,177.24, 11,281.15 and 5,146.99

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Solution

The fourth proportional to 8,177.24, 11,281.15 and 5,146.99 is: 7,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.24 : 11,281.15 = 5,146.99 : x
  2. Step 2: Convert to fraction form
    8,177.24/11,281.15 = 5,146.99/x
  3. Step 3: Cross multiply
    8,177.24x = 11,281.15 × 5,146.99
  4. Step 4: Simplify right side
    8,177.24x = 58,063,993.45
  5. Step 5: Solve for x
    x = 58,063,993.45/8,177.24
  6. Step 6: Final answer
    x = 7,100.68

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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.