Home / 8,677.83-11,969.22-5,990.09

Finding the Fourth Proportional to 8,677.83, 11,969.22 and 5,990.09

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Solution

The fourth proportional to 8,677.83, 11,969.22 and 5,990.09 is: 8,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.83 : 11,969.22 = 5,990.09 : x
  2. Step 2: Convert to fraction form
    8,677.83/11,969.22 = 5,990.09/x
  3. Step 3: Cross multiply
    8,677.83x = 11,969.22 × 5,990.09
  4. Step 4: Simplify right side
    8,677.83x = 71,696,645.18
  5. Step 5: Solve for x
    x = 71,696,645.18/8,677.83
  6. Step 6: Final answer
    x = 8,262.05

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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.