Home / 11,201.62-15,459.16-6,166.78

Finding the Fourth Proportional to 11,201.62, 15,459.16 and 6,166.78

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Solution

The fourth proportional to 11,201.62, 15,459.16 and 6,166.78 is: 8,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.62 : 15,459.16 = 6,166.78 : x
  2. Step 2: Convert to fraction form
    11,201.62/15,459.16 = 6,166.78/x
  3. Step 3: Cross multiply
    11,201.62x = 15,459.16 × 6,166.78
  4. Step 4: Simplify right side
    11,201.62x = 95,333,238.70
  5. Step 5: Solve for x
    x = 95,333,238.70/11,201.62
  6. Step 6: Final answer
    x = 8,510.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.