Home / 9,811.28-14,718.97-3,967.89

Finding the Fourth Proportional to 9,811.28, 14,718.97 and 3,967.89

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Solution

The fourth proportional to 9,811.28, 14,718.97 and 3,967.89 is: 5,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.28 : 14,718.97 = 3,967.89 : x
  2. Step 2: Convert to fraction form
    9,811.28/14,718.97 = 3,967.89/x
  3. Step 3: Cross multiply
    9,811.28x = 14,718.97 × 3,967.89
  4. Step 4: Simplify right side
    9,811.28x = 58,403,181.32
  5. Step 5: Solve for x
    x = 58,403,181.32/9,811.28
  6. Step 6: Final answer
    x = 5,952.66

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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.