Home / 9,718.28-14,579.54-3,144.36

Finding the Fourth Proportional to 9,718.28, 14,579.54 and 3,144.36

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Solution

The fourth proportional to 9,718.28, 14,579.54 and 3,144.36 is: 4,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.28 : 14,579.54 = 3,144.36 : x
  2. Step 2: Convert to fraction form
    9,718.28/14,579.54 = 3,144.36/x
  3. Step 3: Cross multiply
    9,718.28x = 14,579.54 × 3,144.36
  4. Step 4: Simplify right side
    9,718.28x = 45,843,306.67
  5. Step 5: Solve for x
    x = 45,843,306.67/9,718.28
  6. Step 6: Final answer
    x = 4,717.23

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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.