Home / 8,071.45-11,138.82-4,534.99

Finding the Fourth Proportional to 8,071.45, 11,138.82 and 4,534.99

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Solution

The fourth proportional to 8,071.45, 11,138.82 and 4,534.99 is: 6,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.45 : 11,138.82 = 4,534.99 : x
  2. Step 2: Convert to fraction form
    8,071.45/11,138.82 = 4,534.99/x
  3. Step 3: Cross multiply
    8,071.45x = 11,138.82 × 4,534.99
  4. Step 4: Simplify right side
    8,071.45x = 50,514,392.46
  5. Step 5: Solve for x
    x = 50,514,392.46/8,071.45
  6. Step 6: Final answer
    x = 6,258.41

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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.