Home / 10,481.05-15,727.65-5,287.33

Finding the Fourth Proportional to 10,481.05, 15,727.65 and 5,287.33

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Solution

The fourth proportional to 10,481.05, 15,727.65 and 5,287.33 is: 7,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.05 : 15,727.65 = 5,287.33 : x
  2. Step 2: Convert to fraction form
    10,481.05/15,727.65 = 5,287.33/x
  3. Step 3: Cross multiply
    10,481.05x = 15,727.65 × 5,287.33
  4. Step 4: Simplify right side
    10,481.05x = 83,157,275.67
  5. Step 5: Solve for x
    x = 83,157,275.67/10,481.05
  6. Step 6: Final answer
    x = 7,934.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.