Home / 7,959.13-11,937.85-2,116.33

Finding the Fourth Proportional to 7,959.13, 11,937.85 and 2,116.33

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Solution

The fourth proportional to 7,959.13, 11,937.85 and 2,116.33 is: 3,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.13 : 11,937.85 = 2,116.33 : x
  2. Step 2: Convert to fraction form
    7,959.13/11,937.85 = 2,116.33/x
  3. Step 3: Cross multiply
    7,959.13x = 11,937.85 × 2,116.33
  4. Step 4: Simplify right side
    7,959.13x = 25,264,394.96
  5. Step 5: Solve for x
    x = 25,264,394.96/7,959.13
  6. Step 6: Final answer
    x = 3,174.27

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1.5x scale

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.