Home / 8,653.13-11,941.17-5,115.66

Finding the Fourth Proportional to 8,653.13, 11,941.17 and 5,115.66

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Solution

The fourth proportional to 8,653.13, 11,941.17 and 5,115.66 is: 7,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.13 : 11,941.17 = 5,115.66 : x
  2. Step 2: Convert to fraction form
    8,653.13/11,941.17 = 5,115.66/x
  3. Step 3: Cross multiply
    8,653.13x = 11,941.17 × 5,115.66
  4. Step 4: Simplify right side
    8,653.13x = 61,086,930.53
  5. Step 5: Solve for x
    x = 61,086,930.53/8,653.13
  6. Step 6: Final answer
    x = 7,059.52

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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.