Home / 10,797.85-16,201.25-5,172.67

Finding the Fourth Proportional to 10,797.85, 16,201.25 and 5,172.67

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Solution

The fourth proportional to 10,797.85, 16,201.25 and 5,172.67 is: 7,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797.85 : 16,201.25 = 5,172.67 : x
  2. Step 2: Convert to fraction form
    10,797.85/16,201.25 = 5,172.67/x
  3. Step 3: Cross multiply
    10,797.85x = 16,201.25 × 5,172.67
  4. Step 4: Simplify right side
    10,797.85x = 83,803,719.84
  5. Step 5: Solve for x
    x = 83,803,719.84/10,797.85
  6. Step 6: Final answer
    x = 7,761.15

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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.