Home / 8,805.33-12,152.60-5,449.23

Finding the Fourth Proportional to 8,805.33, 12,152.60 and 5,449.23

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Solution

The fourth proportional to 8,805.33, 12,152.60 and 5,449.23 is: 7,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.33 : 12,152.60 = 5,449.23 : x
  2. Step 2: Convert to fraction form
    8,805.33/12,152.60 = 5,449.23/x
  3. Step 3: Cross multiply
    8,805.33x = 12,152.60 × 5,449.23
  4. Step 4: Simplify right side
    8,805.33x = 66,222,295.74
  5. Step 5: Solve for x
    x = 66,222,295.74/8,805.33
  6. Step 6: Final answer
    x = 7,520.70

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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.