Home / 8,772.12-13,156.97-2,849.00

Finding the Fourth Proportional to 8,772.12, 13,156.97 and 2,849.00

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Solution

The fourth proportional to 8,772.12, 13,156.97 and 2,849.00 is: 4,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.12 : 13,156.97 = 2,849.00 : x
  2. Step 2: Convert to fraction form
    8,772.12/13,156.97 = 2,849.00/x
  3. Step 3: Cross multiply
    8,772.12x = 13,156.97 × 2,849.00
  4. Step 4: Simplify right side
    8,772.12x = 37,484,127.50
  5. Step 5: Solve for x
    x = 37,484,127.50/8,772.12
  6. Step 6: Final answer
    x = 4,273.10

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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.