Home / 8,026.29-11,081.48-7,185.54

Finding the Fourth Proportional to 8,026.29, 11,081.48 and 7,185.54

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Solution

The fourth proportional to 8,026.29, 11,081.48 and 7,185.54 is: 9,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.29 : 11,081.48 = 7,185.54 : x
  2. Step 2: Convert to fraction form
    8,026.29/11,081.48 = 7,185.54/x
  3. Step 3: Cross multiply
    8,026.29x = 11,081.48 × 7,185.54
  4. Step 4: Simplify right side
    8,026.29x = 79,626,381.87
  5. Step 5: Solve for x
    x = 79,626,381.87/8,026.29
  6. Step 6: Final answer
    x = 9,920.70

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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.