Home / 11,923.95-16,462.61-7,676.58

Finding the Fourth Proportional to 11,923.95, 16,462.61 and 7,676.58

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Solution

The fourth proportional to 11,923.95, 16,462.61 and 7,676.58 is: 10,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.95 : 16,462.61 = 7,676.58 : x
  2. Step 2: Convert to fraction form
    11,923.95/16,462.61 = 7,676.58/x
  3. Step 3: Cross multiply
    11,923.95x = 16,462.61 × 7,676.58
  4. Step 4: Simplify right side
    11,923.95x = 126,376,542.67
  5. Step 5: Solve for x
    x = 126,376,542.67/11,923.95
  6. Step 6: Final answer
    x = 10,598.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.