Home / 11,726.96-17,590.44-5,152.88

Finding the Fourth Proportional to 11,726.96, 17,590.44 and 5,152.88

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Solution

The fourth proportional to 11,726.96, 17,590.44 and 5,152.88 is: 7,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.96 : 17,590.44 = 5,152.88 : x
  2. Step 2: Convert to fraction form
    11,726.96/17,590.44 = 5,152.88/x
  3. Step 3: Cross multiply
    11,726.96x = 17,590.44 × 5,152.88
  4. Step 4: Simplify right side
    11,726.96x = 90,641,426.47
  5. Step 5: Solve for x
    x = 90,641,426.47/11,726.96
  6. Step 6: Final answer
    x = 7,729.32

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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.