Home / 7,995.12-11,912.30-7,548

Finding the Fourth Proportional to 7,995.12, 11,912.30 and 7,548

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Solution

The fourth proportional to 7,995.12, 11,912.30 and 7,548 is: 11,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.12 : 11,912.30 = 7,548 : x
  2. Step 2: Convert to fraction form
    7,995.12/11,912.30 = 7,548/x
  3. Step 3: Cross multiply
    7,995.12x = 11,912.30 × 7,548
  4. Step 4: Simplify right side
    7,995.12x = 89,914,002.66
  5. Step 5: Solve for x
    x = 89,914,002.66/7,995.12
  6. Step 6: Final answer
    x = 11,246.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.