Home / 10,758.75-16,143.60-4,916.73

Finding the Fourth Proportional to 10,758.75, 16,143.60 and 4,916.73

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Solution

The fourth proportional to 10,758.75, 16,143.60 and 4,916.73 is: 7,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.75 : 16,143.60 = 4,916.73 : x
  2. Step 2: Convert to fraction form
    10,758.75/16,143.60 = 4,916.73/x
  3. Step 3: Cross multiply
    10,758.75x = 16,143.60 × 4,916.73
  4. Step 4: Simplify right side
    10,758.75x = 79,373,722.43
  5. Step 5: Solve for x
    x = 79,373,722.43/10,758.75
  6. Step 6: Final answer
    x = 7,377.60

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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.