Home / 8,146.11-11,240.95-4,789.06

Finding the Fourth Proportional to 8,146.11, 11,240.95 and 4,789.06

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Solution

The fourth proportional to 8,146.11, 11,240.95 and 4,789.06 is: 6,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.11 : 11,240.95 = 4,789.06 : x
  2. Step 2: Convert to fraction form
    8,146.11/11,240.95 = 4,789.06/x
  3. Step 3: Cross multiply
    8,146.11x = 11,240.95 × 4,789.06
  4. Step 4: Simplify right side
    8,146.11x = 53,833,595.98
  5. Step 5: Solve for x
    x = 53,833,595.98/8,146.11
  6. Step 6: Final answer
    x = 6,608.51

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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.