Home / 8,077.59-11,145.80-4,540.11

Finding the Fourth Proportional to 8,077.59, 11,145.80 and 4,540.11

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Solution

The fourth proportional to 8,077.59, 11,145.80 and 4,540.11 is: 6,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.59 : 11,145.80 = 4,540.11 : x
  2. Step 2: Convert to fraction form
    8,077.59/11,145.80 = 4,540.11/x
  3. Step 3: Cross multiply
    8,077.59x = 11,145.80 × 4,540.11
  4. Step 4: Simplify right side
    8,077.59x = 50,603,135.34
  5. Step 5: Solve for x
    x = 50,603,135.34/8,077.59
  6. Step 6: Final answer
    x = 6,264.63

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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.