Home / 11,218.16-15,480.52-6,182.60

Finding the Fourth Proportional to 11,218.16, 15,480.52 and 6,182.60

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Solution

The fourth proportional to 11,218.16, 15,480.52 and 6,182.60 is: 8,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.16 : 15,480.52 = 6,182.60 : x
  2. Step 2: Convert to fraction form
    11,218.16/15,480.52 = 6,182.60/x
  3. Step 3: Cross multiply
    11,218.16x = 15,480.52 × 6,182.60
  4. Step 4: Simplify right side
    11,218.16x = 95,709,770.09
  5. Step 5: Solve for x
    x = 95,709,770.09/11,218.16
  6. Step 6: Final answer
    x = 8,531.68

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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.