Home / 8,074.51-12,116.45-3,394.15

Finding the Fourth Proportional to 8,074.51, 12,116.45 and 3,394.15

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Solution

The fourth proportional to 8,074.51, 12,116.45 and 3,394.15 is: 5,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.51 : 12,116.45 = 3,394.15 : x
  2. Step 2: Convert to fraction form
    8,074.51/12,116.45 = 3,394.15/x
  3. Step 3: Cross multiply
    8,074.51x = 12,116.45 × 3,394.15
  4. Step 4: Simplify right side
    8,074.51x = 41,125,048.77
  5. Step 5: Solve for x
    x = 41,125,048.77/8,074.51
  6. Step 6: Final answer
    x = 5,093.19

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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.