Home / 7,013.56-9,679.96-4,181.11

Finding the Fourth Proportional to 7,013.56, 9,679.96 and 4,181.11

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Solution

The fourth proportional to 7,013.56, 9,679.96 and 4,181.11 is: 5,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.56 : 9,679.96 = 4,181.11 : x
  2. Step 2: Convert to fraction form
    7,013.56/9,679.96 = 4,181.11/x
  3. Step 3: Cross multiply
    7,013.56x = 9,679.96 × 4,181.11
  4. Step 4: Simplify right side
    7,013.56x = 40,472,977.56
  5. Step 5: Solve for x
    x = 40,472,977.56/7,013.56
  6. Step 6: Final answer
    x = 5,770.68

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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.