Home / 10,784.68-16,177.98-3,389.32

Finding the Fourth Proportional to 10,784.68, 16,177.98 and 3,389.32

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Solution

The fourth proportional to 10,784.68, 16,177.98 and 3,389.32 is: 5,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.68 : 16,177.98 = 3,389.32 : x
  2. Step 2: Convert to fraction form
    10,784.68/16,177.98 = 3,389.32/x
  3. Step 3: Cross multiply
    10,784.68x = 16,177.98 × 3,389.32
  4. Step 4: Simplify right side
    10,784.68x = 54,832,351.17
  5. Step 5: Solve for x
    x = 54,832,351.17/10,784.68
  6. Step 6: Final answer
    x = 5,084.28

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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.