Home / 8,656.14-12,995.73-5,854.38

Finding the Fourth Proportional to 8,656.14, 12,995.73 and 5,854.38

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Solution

The fourth proportional to 8,656.14, 12,995.73 and 5,854.38 is: 8,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.14 : 12,995.73 = 5,854.38 : x
  2. Step 2: Convert to fraction form
    8,656.14/12,995.73 = 5,854.38/x
  3. Step 3: Cross multiply
    8,656.14x = 12,995.73 × 5,854.38
  4. Step 4: Simplify right side
    8,656.14x = 76,081,941.80
  5. Step 5: Solve for x
    x = 76,081,941.80/8,656.14
  6. Step 6: Final answer
    x = 8,789.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.