Home / 7,894.12-11,837.30-4,608.04

Finding the Fourth Proportional to 7,894.12, 11,837.30 and 4,608.04

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Solution

The fourth proportional to 7,894.12, 11,837.30 and 4,608.04 is: 6,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.12 : 11,837.30 = 4,608.04 : x
  2. Step 2: Convert to fraction form
    7,894.12/11,837.30 = 4,608.04/x
  3. Step 3: Cross multiply
    7,894.12x = 11,837.30 × 4,608.04
  4. Step 4: Simplify right side
    7,894.12x = 54,546,751.89
  5. Step 5: Solve for x
    x = 54,546,751.89/7,894.12
  6. Step 6: Final answer
    x = 6,909.80

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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.