Home / 8,273.48-11,422.12-5,449.07

Finding the Fourth Proportional to 8,273.48, 11,422.12 and 5,449.07

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Solution

The fourth proportional to 8,273.48, 11,422.12 and 5,449.07 is: 7,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.48 : 11,422.12 = 5,449.07 : x
  2. Step 2: Convert to fraction form
    8,273.48/11,422.12 = 5,449.07/x
  3. Step 3: Cross multiply
    8,273.48x = 11,422.12 × 5,449.07
  4. Step 4: Simplify right side
    8,273.48x = 62,239,881.13
  5. Step 5: Solve for x
    x = 62,239,881.13/8,273.48
  6. Step 6: Final answer
    x = 7,522.82

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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.