Home / 7,016.46-9,682.65-3,872.67

Finding the Fourth Proportional to 7,016.46, 9,682.65 and 3,872.67

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Solution

The fourth proportional to 7,016.46, 9,682.65 and 3,872.67 is: 5,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.46 : 9,682.65 = 3,872.67 : x
  2. Step 2: Convert to fraction form
    7,016.46/9,682.65 = 3,872.67/x
  3. Step 3: Cross multiply
    7,016.46x = 9,682.65 × 3,872.67
  4. Step 4: Simplify right side
    7,016.46x = 37,497,708.18
  5. Step 5: Solve for x
    x = 37,497,708.18/7,016.46
  6. Step 6: Final answer
    x = 5,344.25

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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.