Home / 7,016.70-9,679.62-4,182.42

Finding the Fourth Proportional to 7,016.70, 9,679.62 and 4,182.42

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Solution

The fourth proportional to 7,016.70, 9,679.62 and 4,182.42 is: 5,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.70 : 9,679.62 = 4,182.42 : x
  2. Step 2: Convert to fraction form
    7,016.70/9,679.62 = 4,182.42/x
  3. Step 3: Cross multiply
    7,016.70x = 9,679.62 × 4,182.42
  4. Step 4: Simplify right side
    7,016.70x = 40,484,236.28
  5. Step 5: Solve for x
    x = 40,484,236.28/7,016.70
  6. Step 6: Final answer
    x = 5,769.70

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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.