Home / 6,862.50-9,470.26-3,718.69

Finding the Fourth Proportional to 6,862.50, 9,470.26 and 3,718.69

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Solution

The fourth proportional to 6,862.50, 9,470.26 and 3,718.69 is: 5,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.50 : 9,470.26 = 3,718.69 : x
  2. Step 2: Convert to fraction form
    6,862.50/9,470.26 = 3,718.69/x
  3. Step 3: Cross multiply
    6,862.50x = 9,470.26 × 3,718.69
  4. Step 4: Simplify right side
    6,862.50x = 35,216,935.38
  5. Step 5: Solve for x
    x = 35,216,935.38/6,862.50
  6. Step 6: Final answer
    x = 5,131.79

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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.