Home / 7,179.30-10,754.75-6,641.01

Finding the Fourth Proportional to 7,179.30, 10,754.75 and 6,641.01

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Solution

The fourth proportional to 7,179.30, 10,754.75 and 6,641.01 is: 9,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.30 : 10,754.75 = 6,641.01 : x
  2. Step 2: Convert to fraction form
    7,179.30/10,754.75 = 6,641.01/x
  3. Step 3: Cross multiply
    7,179.30x = 10,754.75 × 6,641.01
  4. Step 4: Simplify right side
    7,179.30x = 71,422,418.90
  5. Step 5: Solve for x
    x = 71,422,418.90/7,179.30
  6. Step 6: Final answer
    x = 9,948.38

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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.