Home / 8,208.57-12,248.82-7,325.01

Finding the Fourth Proportional to 8,208.57, 12,248.82 and 7,325.01

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Solution

The fourth proportional to 8,208.57, 12,248.82 and 7,325.01 is: 10,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.57 : 12,248.82 = 7,325.01 : x
  2. Step 2: Convert to fraction form
    8,208.57/12,248.82 = 7,325.01/x
  3. Step 3: Cross multiply
    8,208.57x = 12,248.82 × 7,325.01
  4. Step 4: Simplify right side
    8,208.57x = 89,722,728.99
  5. Step 5: Solve for x
    x = 89,722,728.99/8,208.57
  6. Step 6: Final answer
    x = 10,930.37

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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.