Home / 8,521.61-11,757.96-4,982.72

Finding the Fourth Proportional to 8,521.61, 11,757.96 and 4,982.72

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Solution

The fourth proportional to 8,521.61, 11,757.96 and 4,982.72 is: 6,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.61 : 11,757.96 = 4,982.72 : x
  2. Step 2: Convert to fraction form
    8,521.61/11,757.96 = 4,982.72/x
  3. Step 3: Cross multiply
    8,521.61x = 11,757.96 × 4,982.72
  4. Step 4: Simplify right side
    8,521.61x = 58,586,563.66
  5. Step 5: Solve for x
    x = 58,586,563.66/8,521.61
  6. Step 6: Final answer
    x = 6,875.06

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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.