Home / 11,117.40-16,676.10-4,542.09

Finding the Fourth Proportional to 11,117.40, 16,676.10 and 4,542.09

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Solution

The fourth proportional to 11,117.40, 16,676.10 and 4,542.09 is: 6,813.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.40 : 16,676.10 = 4,542.09 : x
  2. Step 2: Convert to fraction form
    11,117.40/16,676.10 = 4,542.09/x
  3. Step 3: Cross multiply
    11,117.40x = 16,676.10 × 4,542.09
  4. Step 4: Simplify right side
    11,117.40x = 75,744,347.05
  5. Step 5: Solve for x
    x = 75,744,347.05/11,117.40
  6. Step 6: Final answer
    x = 6,813.14

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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.