Home / 8,068.90-11,139.93-5,237.38

Finding the Fourth Proportional to 8,068.90, 11,139.93 and 5,237.38

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Solution

The fourth proportional to 8,068.90, 11,139.93 and 5,237.38 is: 7,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.90 : 11,139.93 = 5,237.38 : x
  2. Step 2: Convert to fraction form
    8,068.90/11,139.93 = 5,237.38/x
  3. Step 3: Cross multiply
    8,068.90x = 11,139.93 × 5,237.38
  4. Step 4: Simplify right side
    8,068.90x = 58,344,046.58
  5. Step 5: Solve for x
    x = 58,344,046.58/8,068.90
  6. Step 6: Final answer
    x = 7,230.73

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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.