Home / 9,811.20-14,717.28-3,237.96

Finding the Fourth Proportional to 9,811.20, 14,717.28 and 3,237.96

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Solution

The fourth proportional to 9,811.20, 14,717.28 and 3,237.96 is: 4,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.20 : 14,717.28 = 3,237.96 : x
  2. Step 2: Convert to fraction form
    9,811.20/14,717.28 = 3,237.96/x
  3. Step 3: Cross multiply
    9,811.20x = 14,717.28 × 3,237.96
  4. Step 4: Simplify right side
    9,811.20x = 47,653,963.95
  5. Step 5: Solve for x
    x = 47,653,963.95/9,811.20
  6. Step 6: Final answer
    x = 4,857.10

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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.