Home / 8,062.68-11,131.48-5,543.84

Finding the Fourth Proportional to 8,062.68, 11,131.48 and 5,543.84

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Solution

The fourth proportional to 8,062.68, 11,131.48 and 5,543.84 is: 7,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.68 : 11,131.48 = 5,543.84 : x
  2. Step 2: Convert to fraction form
    8,062.68/11,131.48 = 5,543.84/x
  3. Step 3: Cross multiply
    8,062.68x = 11,131.48 × 5,543.84
  4. Step 4: Simplify right side
    8,062.68x = 61,711,144.08
  5. Step 5: Solve for x
    x = 61,711,144.08/8,062.68
  6. Step 6: Final answer
    x = 7,653.92

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Half scale
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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.