Home / 9,268.12-12,778.86-7,373.92

Finding the Fourth Proportional to 9,268.12, 12,778.86 and 7,373.92

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Solution

The fourth proportional to 9,268.12, 12,778.86 and 7,373.92 is: 10,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.12 : 12,778.86 = 7,373.92 : x
  2. Step 2: Convert to fraction form
    9,268.12/12,778.86 = 7,373.92/x
  3. Step 3: Cross multiply
    9,268.12x = 12,778.86 × 7,373.92
  4. Step 4: Simplify right side
    9,268.12x = 94,230,291.33
  5. Step 5: Solve for x
    x = 94,230,291.33/9,268.12
  6. Step 6: Final answer
    x = 10,167.14

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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.