Home / 8,318.95-11,480.22-4,542.08

Finding the Fourth Proportional to 8,318.95, 11,480.22 and 4,542.08

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Solution

The fourth proportional to 8,318.95, 11,480.22 and 4,542.08 is: 6,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.95 : 11,480.22 = 4,542.08 : x
  2. Step 2: Convert to fraction form
    8,318.95/11,480.22 = 4,542.08/x
  3. Step 3: Cross multiply
    8,318.95x = 11,480.22 × 4,542.08
  4. Step 4: Simplify right side
    8,318.95x = 52,144,077.66
  5. Step 5: Solve for x
    x = 52,144,077.66/8,318.95
  6. Step 6: Final answer
    x = 6,268.11

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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.