Home / 10,809.95-16,217.66-3,018.76

Finding the Fourth Proportional to 10,809.95, 16,217.66 and 3,018.76

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Solution

The fourth proportional to 10,809.95, 16,217.66 and 3,018.76 is: 4,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.95 : 16,217.66 = 3,018.76 : x
  2. Step 2: Convert to fraction form
    10,809.95/16,217.66 = 3,018.76/x
  3. Step 3: Cross multiply
    10,809.95x = 16,217.66 × 3,018.76
  4. Step 4: Simplify right side
    10,809.95x = 48,957,190.30
  5. Step 5: Solve for x
    x = 48,957,190.30/10,809.95
  6. Step 6: Final answer
    x = 4,528.90

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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.