Home / 11,117.57-16,676.39-4,543.76

Finding the Fourth Proportional to 11,117.57, 16,676.39 and 4,543.76

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Solution

The fourth proportional to 11,117.57, 16,676.39 and 4,543.76 is: 6,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.57 : 16,676.39 = 4,543.76 : x
  2. Step 2: Convert to fraction form
    11,117.57/16,676.39 = 4,543.76/x
  3. Step 3: Cross multiply
    11,117.57x = 16,676.39 × 4,543.76
  4. Step 4: Simplify right side
    11,117.57x = 75,773,513.83
  5. Step 5: Solve for x
    x = 75,773,513.83/11,117.57
  6. Step 6: Final answer
    x = 6,815.65

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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.