Home / 8,449.90-11,662.24-5,047.36

Finding the Fourth Proportional to 8,449.90, 11,662.24 and 5,047.36

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Solution

The fourth proportional to 8,449.90, 11,662.24 and 5,047.36 is: 6,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.90 : 11,662.24 = 5,047.36 : x
  2. Step 2: Convert to fraction form
    8,449.90/11,662.24 = 5,047.36/x
  3. Step 3: Cross multiply
    8,449.90x = 11,662.24 × 5,047.36
  4. Step 4: Simplify right side
    8,449.90x = 58,863,523.69
  5. Step 5: Solve for x
    x = 58,863,523.69/8,449.90
  6. Step 6: Final answer
    x = 6,966.18

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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.