Home / 11,347.56-17,001.78-8,853.66

Finding the Fourth Proportional to 11,347.56, 17,001.78 and 8,853.66

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Solution

The fourth proportional to 11,347.56, 17,001.78 and 8,853.66 is: 13,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.56 : 17,001.78 = 8,853.66 : x
  2. Step 2: Convert to fraction form
    11,347.56/17,001.78 = 8,853.66/x
  3. Step 3: Cross multiply
    11,347.56x = 17,001.78 × 8,853.66
  4. Step 4: Simplify right side
    11,347.56x = 150,527,979.51
  5. Step 5: Solve for x
    x = 150,527,979.51/11,347.56
  6. Step 6: Final answer
    x = 13,265.23

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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.