Home / 8,819.29-12,164.20-5,837.68

Finding the Fourth Proportional to 8,819.29, 12,164.20 and 5,837.68

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Solution

The fourth proportional to 8,819.29, 12,164.20 and 5,837.68 is: 8,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.29 : 12,164.20 = 5,837.68 : x
  2. Step 2: Convert to fraction form
    8,819.29/12,164.20 = 5,837.68/x
  3. Step 3: Cross multiply
    8,819.29x = 12,164.20 × 5,837.68
  4. Step 4: Simplify right side
    8,819.29x = 71,010,707.06
  5. Step 5: Solve for x
    x = 71,010,707.06/8,819.29
  6. Step 6: Final answer
    x = 8,051.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.