Home / 11,747.29-17,600.40-9,785.51

Finding the Fourth Proportional to 11,747.29, 17,600.40 and 9,785.51

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Solution

The fourth proportional to 11,747.29, 17,600.40 and 9,785.51 is: 14,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.29 : 17,600.40 = 9,785.51 : x
  2. Step 2: Convert to fraction form
    11,747.29/17,600.40 = 9,785.51/x
  3. Step 3: Cross multiply
    11,747.29x = 17,600.40 × 9,785.51
  4. Step 4: Simplify right side
    11,747.29x = 172,228,890.20
  5. Step 5: Solve for x
    x = 172,228,890.20/11,747.29
  6. Step 6: Final answer
    x = 14,661.16

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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.