Home / 6,931.64-10,399.11-2,251.67

Finding the Fourth Proportional to 6,931.64, 10,399.11 and 2,251.67

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Solution

The fourth proportional to 6,931.64, 10,399.11 and 2,251.67 is: 3,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.64 : 10,399.11 = 2,251.67 : x
  2. Step 2: Convert to fraction form
    6,931.64/10,399.11 = 2,251.67/x
  3. Step 3: Cross multiply
    6,931.64x = 10,399.11 × 2,251.67
  4. Step 4: Simplify right side
    6,931.64x = 23,415,300.76
  5. Step 5: Solve for x
    x = 23,415,300.76/6,931.64
  6. Step 6: Final answer
    x = 3,378.03

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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.