Home / 7,364.96-11,031.84-5,518.88

Finding the Fourth Proportional to 7,364.96, 11,031.84 and 5,518.88

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Solution

The fourth proportional to 7,364.96, 11,031.84 and 5,518.88 is: 8,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.96 : 11,031.84 = 5,518.88 : x
  2. Step 2: Convert to fraction form
    7,364.96/11,031.84 = 5,518.88/x
  3. Step 3: Cross multiply
    7,364.96x = 11,031.84 × 5,518.88
  4. Step 4: Simplify right side
    7,364.96x = 60,883,401.14
  5. Step 5: Solve for x
    x = 60,883,401.14/7,364.96
  6. Step 6: Final answer
    x = 8,266.63

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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.