Home / 7,427.72-11,143.26-2,497.10

Finding the Fourth Proportional to 7,427.72, 11,143.26 and 2,497.10

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Solution

The fourth proportional to 7,427.72, 11,143.26 and 2,497.10 is: 3,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.72 : 11,143.26 = 2,497.10 : x
  2. Step 2: Convert to fraction form
    7,427.72/11,143.26 = 2,497.10/x
  3. Step 3: Cross multiply
    7,427.72x = 11,143.26 × 2,497.10
  4. Step 4: Simplify right side
    7,427.72x = 27,825,778.83
  5. Step 5: Solve for x
    x = 27,825,778.83/7,427.72
  6. Step 6: Final answer
    x = 3,746.21

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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.