Home / 6,862.48-9,470.25-3,718.68

Finding the Fourth Proportional to 6,862.48, 9,470.25 and 3,718.68

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Solution

The fourth proportional to 6,862.48, 9,470.25 and 3,718.68 is: 5,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.48 : 9,470.25 = 3,718.68 : x
  2. Step 2: Convert to fraction form
    6,862.48/9,470.25 = 3,718.68/x
  3. Step 3: Cross multiply
    6,862.48x = 9,470.25 × 3,718.68
  4. Step 4: Simplify right side
    6,862.48x = 35,216,829.27
  5. Step 5: Solve for x
    x = 35,216,829.27/6,862.48
  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.