Home / 8,541.12-11,786.64-5,006.16

Finding the Fourth Proportional to 8,541.12, 11,786.64 and 5,006.16

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Solution

The fourth proportional to 8,541.12, 11,786.64 and 5,006.16 is: 6,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.12 : 11,786.64 = 5,006.16 : x
  2. Step 2: Convert to fraction form
    8,541.12/11,786.64 = 5,006.16/x
  3. Step 3: Cross multiply
    8,541.12x = 11,786.64 × 5,006.16
  4. Step 4: Simplify right side
    8,541.12x = 59,005,805.70
  5. Step 5: Solve for x
    x = 59,005,805.70/8,541.12
  6. Step 6: Final answer
    x = 6,908.44

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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.