Home / 8,825.39-12,179.49-5,470.01

Finding the Fourth Proportional to 8,825.39, 12,179.49 and 5,470.01

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Solution

The fourth proportional to 8,825.39, 12,179.49 and 5,470.01 is: 7,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.39 : 12,179.49 = 5,470.01 : x
  2. Step 2: Convert to fraction form
    8,825.39/12,179.49 = 5,470.01/x
  3. Step 3: Cross multiply
    8,825.39x = 12,179.49 × 5,470.01
  4. Step 4: Simplify right side
    8,825.39x = 66,621,932.09
  5. Step 5: Solve for x
    x = 66,621,932.09/8,825.39
  6. Step 6: Final answer
    x = 7,548.89

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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.