Home / 9,049.56-12,490.14-5,072.46

Finding the Fourth Proportional to 9,049.56, 12,490.14 and 5,072.46

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Solution

The fourth proportional to 9,049.56, 12,490.14 and 5,072.46 is: 7,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.56 : 12,490.14 = 5,072.46 : x
  2. Step 2: Convert to fraction form
    9,049.56/12,490.14 = 5,072.46/x
  3. Step 3: Cross multiply
    9,049.56x = 12,490.14 × 5,072.46
  4. Step 4: Simplify right side
    9,049.56x = 63,355,735.54
  5. Step 5: Solve for x
    x = 63,355,735.54/9,049.56
  6. Step 6: Final answer
    x = 7,000.97

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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.