Home / 8,071.86-11,138.25-4,534.32

Finding the Fourth Proportional to 8,071.86, 11,138.25 and 4,534.32

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Solution

The fourth proportional to 8,071.86, 11,138.25 and 4,534.32 is: 6,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.86 : 11,138.25 = 4,534.32 : x
  2. Step 2: Convert to fraction form
    8,071.86/11,138.25 = 4,534.32/x
  3. Step 3: Cross multiply
    8,071.86x = 11,138.25 × 4,534.32
  4. Step 4: Simplify right side
    8,071.86x = 50,504,389.74
  5. Step 5: Solve for x
    x = 50,504,389.74/8,071.86
  6. Step 6: Final answer
    x = 6,256.85

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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.