Home / 10,960.48-16,442.16-4,387.36

Finding the Fourth Proportional to 10,960.48, 16,442.16 and 4,387.36

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Solution

The fourth proportional to 10,960.48, 16,442.16 and 4,387.36 is: 6,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.48 : 16,442.16 = 4,387.36 : x
  2. Step 2: Convert to fraction form
    10,960.48/16,442.16 = 4,387.36/x
  3. Step 3: Cross multiply
    10,960.48x = 16,442.16 × 4,387.36
  4. Step 4: Simplify right side
    10,960.48x = 72,137,675.10
  5. Step 5: Solve for x
    x = 72,137,675.10/10,960.48
  6. Step 6: Final answer
    x = 6,581.62

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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.