Home / 7,238.15-10,856.11-2,795.18

Finding the Fourth Proportional to 7,238.15, 10,856.11 and 2,795.18

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Solution

The fourth proportional to 7,238.15, 10,856.11 and 2,795.18 is: 4,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.15 : 10,856.11 = 2,795.18 : x
  2. Step 2: Convert to fraction form
    7,238.15/10,856.11 = 2,795.18/x
  3. Step 3: Cross multiply
    7,238.15x = 10,856.11 × 2,795.18
  4. Step 4: Simplify right side
    7,238.15x = 30,344,781.55
  5. Step 5: Solve for x
    x = 30,344,781.55/7,238.15
  6. Step 6: Final answer
    x = 4,192.34

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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.