Home / 10,973.91-16,464.56-3,478.70

Finding the Fourth Proportional to 10,973.91, 16,464.56 and 3,478.70

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Solution

The fourth proportional to 10,973.91, 16,464.56 and 3,478.70 is: 5,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.91 : 16,464.56 = 3,478.70 : x
  2. Step 2: Convert to fraction form
    10,973.91/16,464.56 = 3,478.70/x
  3. Step 3: Cross multiply
    10,973.91x = 16,464.56 × 3,478.70
  4. Step 4: Simplify right side
    10,973.91x = 57,275,229.66
  5. Step 5: Solve for x
    x = 57,275,229.66/10,973.91
  6. Step 6: Final answer
    x = 5,219.22

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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.