Home / 8,811.52-12,159.62-4,832.56

Finding the Fourth Proportional to 8,811.52, 12,159.62 and 4,832.56

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Solution

The fourth proportional to 8,811.52, 12,159.62 and 4,832.56 is: 6,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.52 : 12,159.62 = 4,832.56 : x
  2. Step 2: Convert to fraction form
    8,811.52/12,159.62 = 4,832.56/x
  3. Step 3: Cross multiply
    8,811.52x = 12,159.62 × 4,832.56
  4. Step 4: Simplify right side
    8,811.52x = 58,762,093.23
  5. Step 5: Solve for x
    x = 58,762,093.23/8,811.52
  6. Step 6: Final answer
    x = 6,668.78

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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.