Home / 13,297.46-18,350.49-7,247.66

Finding the Fourth Proportional to 13,297.46, 18,350.49 and 7,247.66

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Solution

The fourth proportional to 13,297.46, 18,350.49 and 7,247.66 is: 10,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.46 : 18,350.49 = 7,247.66 : x
  2. Step 2: Convert to fraction form
    13,297.46/18,350.49 = 7,247.66/x
  3. Step 3: Cross multiply
    13,297.46x = 18,350.49 × 7,247.66
  4. Step 4: Simplify right side
    13,297.46x = 132,998,020.60
  5. Step 5: Solve for x
    x = 132,998,020.60/13,297.46
  6. Step 6: Final answer
    x = 10,001.77

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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.