Home / 7,408.52-11,113.34-2,478.18

Finding the Fourth Proportional to 7,408.52, 11,113.34 and 2,478.18

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Solution

The fourth proportional to 7,408.52, 11,113.34 and 2,478.18 is: 3,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.52 : 11,113.34 = 2,478.18 : x
  2. Step 2: Convert to fraction form
    7,408.52/11,113.34 = 2,478.18/x
  3. Step 3: Cross multiply
    7,408.52x = 11,113.34 × 2,478.18
  4. Step 4: Simplify right side
    7,408.52x = 27,540,856.92
  5. Step 5: Solve for x
    x = 27,540,856.92/7,408.52
  6. Step 6: Final answer
    x = 3,717.46

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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.