Home / 11,728.97-17,590.30-5,482.89

Finding the Fourth Proportional to 11,728.97, 17,590.30 and 5,482.89

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Solution

The fourth proportional to 11,728.97, 17,590.30 and 5,482.89 is: 8,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.97 : 17,590.30 = 5,482.89 : x
  2. Step 2: Convert to fraction form
    11,728.97/17,590.30 = 5,482.89/x
  3. Step 3: Cross multiply
    11,728.97x = 17,590.30 × 5,482.89
  4. Step 4: Simplify right side
    11,728.97x = 96,445,666.26
  5. Step 5: Solve for x
    x = 96,445,666.26/11,728.97
  6. Step 6: Final answer
    x = 8,222.86

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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.