Home / 11,283.15-16,920.07-4,261.97

Finding the Fourth Proportional to 11,283.15, 16,920.07 and 4,261.97

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Solution

The fourth proportional to 11,283.15, 16,920.07 and 4,261.97 is: 6,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.15 : 16,920.07 = 4,261.97 : x
  2. Step 2: Convert to fraction form
    11,283.15/16,920.07 = 4,261.97/x
  3. Step 3: Cross multiply
    11,283.15x = 16,920.07 × 4,261.97
  4. Step 4: Simplify right side
    11,283.15x = 72,112,862.38
  5. Step 5: Solve for x
    x = 72,112,862.38/11,283.15
  6. Step 6: Final answer
    x = 6,391.20

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1.5x scale

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.