Home / 10,669.62-15,997.95-5,472.66

Finding the Fourth Proportional to 10,669.62, 15,997.95 and 5,472.66

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Solution

The fourth proportional to 10,669.62, 15,997.95 and 5,472.66 is: 8,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.62 : 15,997.95 = 5,472.66 : x
  2. Step 2: Convert to fraction form
    10,669.62/15,997.95 = 5,472.66/x
  3. Step 3: Cross multiply
    10,669.62x = 15,997.95 × 5,472.66
  4. Step 4: Simplify right side
    10,669.62x = 87,551,341.05
  5. Step 5: Solve for x
    x = 87,551,341.05/10,669.62
  6. Step 6: Final answer
    x = 8,205.67

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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.