Home / 7,117.96-10,676.92-1,923.82

Finding the Fourth Proportional to 7,117.96, 10,676.92 and 1,923.82

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Solution

The fourth proportional to 7,117.96, 10,676.92 and 1,923.82 is: 2,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.96 : 10,676.92 = 1,923.82 : x
  2. Step 2: Convert to fraction form
    7,117.96/10,676.92 = 1,923.82/x
  3. Step 3: Cross multiply
    7,117.96x = 10,676.92 × 1,923.82
  4. Step 4: Simplify right side
    7,117.96x = 20,540,472.23
  5. Step 5: Solve for x
    x = 20,540,472.23/7,117.96
  6. Step 6: Final answer
    x = 2,885.72

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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.