Home / 11,324.31-16,988.90-4,746.71

Finding the Fourth Proportional to 11,324.31, 16,988.90 and 4,746.71

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Solution

The fourth proportional to 11,324.31, 16,988.90 and 4,746.71 is: 7,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.31 : 16,988.90 = 4,746.71 : x
  2. Step 2: Convert to fraction form
    11,324.31/16,988.90 = 4,746.71/x
  3. Step 3: Cross multiply
    11,324.31x = 16,988.90 × 4,746.71
  4. Step 4: Simplify right side
    11,324.31x = 80,641,272.84
  5. Step 5: Solve for x
    x = 80,641,272.84/11,324.31
  6. Step 6: Final answer
    x = 7,121.08

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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.