Home / 7,617.46-11,427.90-2,687.14

Finding the Fourth Proportional to 7,617.46, 11,427.90 and 2,687.14

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Solution

The fourth proportional to 7,617.46, 11,427.90 and 2,687.14 is: 4,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.46 : 11,427.90 = 2,687.14 : x
  2. Step 2: Convert to fraction form
    7,617.46/11,427.90 = 2,687.14/x
  3. Step 3: Cross multiply
    7,617.46x = 11,427.90 × 2,687.14
  4. Step 4: Simplify right side
    7,617.46x = 30,708,296.63
  5. Step 5: Solve for x
    x = 30,708,296.63/7,617.46
  6. Step 6: Final answer
    x = 4,031.31

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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.