Home / 11,559.60-15,956.34-6,843.88

Finding the Fourth Proportional to 11,559.60, 15,956.34 and 6,843.88

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Solution

The fourth proportional to 11,559.60, 15,956.34 and 6,843.88 is: 9,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.60 : 15,956.34 = 6,843.88 : x
  2. Step 2: Convert to fraction form
    11,559.60/15,956.34 = 6,843.88/x
  3. Step 3: Cross multiply
    11,559.60x = 15,956.34 × 6,843.88
  4. Step 4: Simplify right side
    11,559.60x = 109,203,276.20
  5. Step 5: Solve for x
    x = 109,203,276.20/11,559.60
  6. Step 6: Final answer
    x = 9,446.98

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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.