Home / 11,315.92-16,976.76-4,388.08

Finding the Fourth Proportional to 11,315.92, 16,976.76 and 4,388.08

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Solution

The fourth proportional to 11,315.92, 16,976.76 and 4,388.08 is: 6,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.92 : 16,976.76 = 4,388.08 : x
  2. Step 2: Convert to fraction form
    11,315.92/16,976.76 = 4,388.08/x
  3. Step 3: Cross multiply
    11,315.92x = 16,976.76 × 4,388.08
  4. Step 4: Simplify right side
    11,315.92x = 74,495,381.02
  5. Step 5: Solve for x
    x = 74,495,381.02/11,315.92
  6. Step 6: Final answer
    x = 6,583.24

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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.