Home / 11,283.24-16,920.15-4,262.02

Finding the Fourth Proportional to 11,283.24, 16,920.15 and 4,262.02

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Solution

The fourth proportional to 11,283.24, 16,920.15 and 4,262.02 is: 6,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.24 : 16,920.15 = 4,262.02 : x
  2. Step 2: Convert to fraction form
    11,283.24/16,920.15 = 4,262.02/x
  3. Step 3: Cross multiply
    11,283.24x = 16,920.15 × 4,262.02
  4. Step 4: Simplify right side
    11,283.24x = 72,114,017.70
  5. Step 5: Solve for x
    x = 72,114,017.70/11,283.24
  6. Step 6: Final answer
    x = 6,391.25

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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.