Home / 6,948.14-10,422.15-2,785.16

Finding the Fourth Proportional to 6,948.14, 10,422.15 and 2,785.16

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Solution

The fourth proportional to 6,948.14, 10,422.15 and 2,785.16 is: 4,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.14 : 10,422.15 = 2,785.16 : x
  2. Step 2: Convert to fraction form
    6,948.14/10,422.15 = 2,785.16/x
  3. Step 3: Cross multiply
    6,948.14x = 10,422.15 × 2,785.16
  4. Step 4: Simplify right side
    6,948.14x = 29,027,303.18
  5. Step 5: Solve for x
    x = 29,027,303.18/6,948.14
  6. Step 6: Final answer
    x = 4,177.71

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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.