Home / 11,255.56-16,885.12-5,017.76

Finding the Fourth Proportional to 11,255.56, 16,885.12 and 5,017.76

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Solution

The fourth proportional to 11,255.56, 16,885.12 and 5,017.76 is: 7,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.56 : 16,885.12 = 5,017.76 : x
  2. Step 2: Convert to fraction form
    11,255.56/16,885.12 = 5,017.76/x
  3. Step 3: Cross multiply
    11,255.56x = 16,885.12 × 5,017.76
  4. Step 4: Simplify right side
    11,255.56x = 84,725,479.73
  5. Step 5: Solve for x
    x = 84,725,479.73/11,255.56
  6. Step 6: Final answer
    x = 7,527.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.