Home / 10,851.12-16,277.16-3,923.76

Finding the Fourth Proportional to 10,851.12, 16,277.16 and 3,923.76

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Solution

The fourth proportional to 10,851.12, 16,277.16 and 3,923.76 is: 5,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.12 : 16,277.16 = 3,923.76 : x
  2. Step 2: Convert to fraction form
    10,851.12/16,277.16 = 3,923.76/x
  3. Step 3: Cross multiply
    10,851.12x = 16,277.16 × 3,923.76
  4. Step 4: Simplify right side
    10,851.12x = 63,867,669.32
  5. Step 5: Solve for x
    x = 63,867,669.32/10,851.12
  6. Step 6: Final answer
    x = 5,885.81

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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.