Home / 7,408.37-11,113.13-2,478.03

Finding the Fourth Proportional to 7,408.37, 11,113.13 and 2,478.03

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Solution

The fourth proportional to 7,408.37, 11,113.13 and 2,478.03 is: 3,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.37 : 11,113.13 = 2,478.03 : x
  2. Step 2: Convert to fraction form
    7,408.37/11,113.13 = 2,478.03/x
  3. Step 3: Cross multiply
    7,408.37x = 11,113.13 × 2,478.03
  4. Step 4: Simplify right side
    7,408.37x = 27,538,657.14
  5. Step 5: Solve for x
    x = 27,538,657.14/7,408.37
  6. Step 6: Final answer
    x = 3,717.24

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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.