Home / 6,862.76-9,470.59-3,718.96

Finding the Fourth Proportional to 6,862.76, 9,470.59 and 3,718.96

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Solution

The fourth proportional to 6,862.76, 9,470.59 and 3,718.96 is: 5,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.76 : 9,470.59 = 3,718.96 : x
  2. Step 2: Convert to fraction form
    6,862.76/9,470.59 = 3,718.96/x
  3. Step 3: Cross multiply
    6,862.76x = 9,470.59 × 3,718.96
  4. Step 4: Simplify right side
    6,862.76x = 35,220,745.39
  5. Step 5: Solve for x
    x = 35,220,745.39/6,862.76
  6. Step 6: Final answer
    x = 5,132.15

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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.