Home / 7,353.42-11,031.35-3,408.63

Finding the Fourth Proportional to 7,353.42, 11,031.35 and 3,408.63

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Solution

The fourth proportional to 7,353.42, 11,031.35 and 3,408.63 is: 5,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.42 : 11,031.35 = 3,408.63 : x
  2. Step 2: Convert to fraction form
    7,353.42/11,031.35 = 3,408.63/x
  3. Step 3: Cross multiply
    7,353.42x = 11,031.35 × 3,408.63
  4. Step 4: Simplify right side
    7,353.42x = 37,601,790.55
  5. Step 5: Solve for x
    x = 37,601,790.55/7,353.42
  6. Step 6: Final answer
    x = 5,113.51

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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.