Home / 9,152.33-12,629.52-6,172.20

Finding the Fourth Proportional to 9,152.33, 12,629.52 and 6,172.20

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Solution

The fourth proportional to 9,152.33, 12,629.52 and 6,172.20 is: 8,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.33 : 12,629.52 = 6,172.20 : x
  2. Step 2: Convert to fraction form
    9,152.33/12,629.52 = 6,172.20/x
  3. Step 3: Cross multiply
    9,152.33x = 12,629.52 × 6,172.20
  4. Step 4: Simplify right side
    9,152.33x = 77,951,923.34
  5. Step 5: Solve for x
    x = 77,951,923.34/9,152.33
  6. Step 6: Final answer
    x = 8,517.17

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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.