Home / 10,486.77-15,732.61-3,466.78

Finding the Fourth Proportional to 10,486.77, 15,732.61 and 3,466.78

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Solution

The fourth proportional to 10,486.77, 15,732.61 and 3,466.78 is: 5,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.77 : 15,732.61 = 3,466.78 : x
  2. Step 2: Convert to fraction form
    10,486.77/15,732.61 = 3,466.78/x
  3. Step 3: Cross multiply
    10,486.77x = 15,732.61 × 3,466.78
  4. Step 4: Simplify right side
    10,486.77x = 54,541,528.16
  5. Step 5: Solve for x
    x = 54,541,528.16/10,486.77
  6. Step 6: Final answer
    x = 5,200.99

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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.