Home / 7,351.27-10,155.08-6,686.95

Finding the Fourth Proportional to 7,351.27, 10,155.08 and 6,686.95

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Solution

The fourth proportional to 7,351.27, 10,155.08 and 6,686.95 is: 9,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.27 : 10,155.08 = 6,686.95 : x
  2. Step 2: Convert to fraction form
    7,351.27/10,155.08 = 6,686.95/x
  3. Step 3: Cross multiply
    7,351.27x = 10,155.08 × 6,686.95
  4. Step 4: Simplify right side
    7,351.27x = 67,906,512.21
  5. Step 5: Solve for x
    x = 67,906,512.21/7,351.27
  6. Step 6: Final answer
    x = 9,237.39

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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.