Home / 11,065.34-16,587.97-5,520.39

Finding the Fourth Proportional to 11,065.34, 16,587.97 and 5,520.39

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Solution

The fourth proportional to 11,065.34, 16,587.97 and 5,520.39 is: 8,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.34 : 16,587.97 = 5,520.39 : x
  2. Step 2: Convert to fraction form
    11,065.34/16,587.97 = 5,520.39/x
  3. Step 3: Cross multiply
    11,065.34x = 16,587.97 × 5,520.39
  4. Step 4: Simplify right side
    11,065.34x = 91,571,953.17
  5. Step 5: Solve for x
    x = 91,571,953.17/11,065.34
  6. Step 6: Final answer
    x = 8,275.57

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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.