Home / 11,708.96-17,560.81-3,387.12

Finding the Fourth Proportional to 11,708.96, 17,560.81 and 3,387.12

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Solution

The fourth proportional to 11,708.96, 17,560.81 and 3,387.12 is: 5,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.96 : 17,560.81 = 3,387.12 : x
  2. Step 2: Convert to fraction form
    11,708.96/17,560.81 = 3,387.12/x
  3. Step 3: Cross multiply
    11,708.96x = 17,560.81 × 3,387.12
  4. Step 4: Simplify right side
    11,708.96x = 59,480,570.77
  5. Step 5: Solve for x
    x = 59,480,570.77/11,708.96
  6. Step 6: Final answer
    x = 5,079.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.