Home / 10,718.46-16,081.47-3,324.78

Finding the Fourth Proportional to 10,718.46, 16,081.47 and 3,324.78

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Solution

The fourth proportional to 10,718.46, 16,081.47 and 3,324.78 is: 4,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.46 : 16,081.47 = 3,324.78 : x
  2. Step 2: Convert to fraction form
    10,718.46/16,081.47 = 3,324.78/x
  3. Step 3: Cross multiply
    10,718.46x = 16,081.47 × 3,324.78
  4. Step 4: Simplify right side
    10,718.46x = 53,467,349.83
  5. Step 5: Solve for x
    x = 53,467,349.83/10,718.46
  6. Step 6: Final answer
    x = 4,988.34

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1.5x scale

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.