Home / 10,715.50-16,073.25-4,873.78

Finding the Fourth Proportional to 10,715.50, 16,073.25 and 4,873.78

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Solution

The fourth proportional to 10,715.50, 16,073.25 and 4,873.78 is: 7,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.50 : 16,073.25 = 4,873.78 : x
  2. Step 2: Convert to fraction form
    10,715.50/16,073.25 = 4,873.78/x
  3. Step 3: Cross multiply
    10,715.50x = 16,073.25 × 4,873.78
  4. Step 4: Simplify right side
    10,715.50x = 78,337,444.20
  5. Step 5: Solve for x
    x = 78,337,444.20/10,715.50
  6. Step 6: Final answer
    x = 7,310.67

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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.