Home / 8,071.27-11,138.55-4,534.39

Finding the Fourth Proportional to 8,071.27, 11,138.55 and 4,534.39

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Solution

The fourth proportional to 8,071.27, 11,138.55 and 4,534.39 is: 6,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.27 : 11,138.55 = 4,534.39 : x
  2. Step 2: Convert to fraction form
    8,071.27/11,138.55 = 4,534.39/x
  3. Step 3: Cross multiply
    8,071.27x = 11,138.55 × 4,534.39
  4. Step 4: Simplify right side
    8,071.27x = 50,506,529.73
  5. Step 5: Solve for x
    x = 50,506,529.73/8,071.27
  6. Step 6: Final answer
    x = 6,257.57

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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.