Home / 10,964.24-16,442.52-4,389.20

Finding the Fourth Proportional to 10,964.24, 16,442.52 and 4,389.20

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Solution

The fourth proportional to 10,964.24, 16,442.52 and 4,389.20 is: 6,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.24 : 16,442.52 = 4,389.20 : x
  2. Step 2: Convert to fraction form
    10,964.24/16,442.52 = 4,389.20/x
  3. Step 3: Cross multiply
    10,964.24x = 16,442.52 × 4,389.20
  4. Step 4: Simplify right side
    10,964.24x = 72,169,508.78
  5. Step 5: Solve for x
    x = 72,169,508.78/10,964.24
  6. Step 6: Final answer
    x = 6,582.26

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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.