Home / 9,172.68-13,750.56-3,327.72

Finding the Fourth Proportional to 9,172.68, 13,750.56 and 3,327.72

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Solution

The fourth proportional to 9,172.68, 13,750.56 and 3,327.72 is: 4,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.68 : 13,750.56 = 3,327.72 : x
  2. Step 2: Convert to fraction form
    9,172.68/13,750.56 = 3,327.72/x
  3. Step 3: Cross multiply
    9,172.68x = 13,750.56 × 3,327.72
  4. Step 4: Simplify right side
    9,172.68x = 45,758,013.52
  5. Step 5: Solve for x
    x = 45,758,013.52/9,172.68
  6. Step 6: Final answer
    x = 4,988.51

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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.