Home / 10,785.11-16,177.76-2,994.53

Finding the Fourth Proportional to 10,785.11, 16,177.76 and 2,994.53

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Solution

The fourth proportional to 10,785.11, 16,177.76 and 2,994.53 is: 4,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.11 : 16,177.76 = 2,994.53 : x
  2. Step 2: Convert to fraction form
    10,785.11/16,177.76 = 2,994.53/x
  3. Step 3: Cross multiply
    10,785.11x = 16,177.76 × 2,994.53
  4. Step 4: Simplify right side
    10,785.11x = 48,444,772.68
  5. Step 5: Solve for x
    x = 48,444,772.68/10,785.11
  6. Step 6: Final answer
    x = 4,491.82

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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.