Home / 10,207.92-15,317.81-3,972.24

Finding the Fourth Proportional to 10,207.92, 15,317.81 and 3,972.24

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Solution

The fourth proportional to 10,207.92, 15,317.81 and 3,972.24 is: 5,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.92 : 15,317.81 = 3,972.24 : x
  2. Step 2: Convert to fraction form
    10,207.92/15,317.81 = 3,972.24/x
  3. Step 3: Cross multiply
    10,207.92x = 15,317.81 × 3,972.24
  4. Step 4: Simplify right side
    10,207.92x = 60,846,017.59
  5. Step 5: Solve for x
    x = 60,846,017.59/10,207.92
  6. Step 6: Final answer
    x = 5,960.67

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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.