Home / 11,984.74-16,540.18-7,206.26

Finding the Fourth Proportional to 11,984.74, 16,540.18 and 7,206.26

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Solution

The fourth proportional to 11,984.74, 16,540.18 and 7,206.26 is: 9,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.74 : 16,540.18 = 7,206.26 : x
  2. Step 2: Convert to fraction form
    11,984.74/16,540.18 = 7,206.26/x
  3. Step 3: Cross multiply
    11,984.74x = 16,540.18 × 7,206.26
  4. Step 4: Simplify right side
    11,984.74x = 119,192,837.53
  5. Step 5: Solve for x
    x = 119,192,837.53/11,984.74
  6. Step 6: Final answer
    x = 9,945.38

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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.