Home / 11,862.03-16,371.23-6,826.15

Finding the Fourth Proportional to 11,862.03, 16,371.23 and 6,826.15

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Solution

The fourth proportional to 11,862.03, 16,371.23 and 6,826.15 is: 9,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.03 : 16,371.23 = 6,826.15 : x
  2. Step 2: Convert to fraction form
    11,862.03/16,371.23 = 6,826.15/x
  3. Step 3: Cross multiply
    11,862.03x = 16,371.23 × 6,826.15
  4. Step 4: Simplify right side
    11,862.03x = 111,752,471.66
  5. Step 5: Solve for x
    x = 111,752,471.66/11,862.03
  6. Step 6: Final answer
    x = 9,421.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.