Home / 6,947.47-9,587.11-3,963.58

Finding the Fourth Proportional to 6,947.47, 9,587.11 and 3,963.58

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Solution

The fourth proportional to 6,947.47, 9,587.11 and 3,963.58 is: 5,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.47 : 9,587.11 = 3,963.58 : x
  2. Step 2: Convert to fraction form
    6,947.47/9,587.11 = 3,963.58/x
  3. Step 3: Cross multiply
    6,947.47x = 9,587.11 × 3,963.58
  4. Step 4: Simplify right side
    6,947.47x = 37,999,304.94
  5. Step 5: Solve for x
    x = 37,999,304.94/6,947.47
  6. Step 6: Final answer
    x = 5,469.52

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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.