Home / 7,999.62-11,042.49-6,876.03

Finding the Fourth Proportional to 7,999.62, 11,042.49 and 6,876.03

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Solution

The fourth proportional to 7,999.62, 11,042.49 and 6,876.03 is: 9,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.62 : 11,042.49 = 6,876.03 : x
  2. Step 2: Convert to fraction form
    7,999.62/11,042.49 = 6,876.03/x
  3. Step 3: Cross multiply
    7,999.62x = 11,042.49 × 6,876.03
  4. Step 4: Simplify right side
    7,999.62x = 75,928,492.51
  5. Step 5: Solve for x
    x = 75,928,492.51/7,999.62
  6. Step 6: Final answer
    x = 9,491.51

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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.