Home / 8,524.78-11,764.18-4,988.67

Finding the Fourth Proportional to 8,524.78, 11,764.18 and 4,988.67

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Solution

The fourth proportional to 8,524.78, 11,764.18 and 4,988.67 is: 6,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.78 : 11,764.18 = 4,988.67 : x
  2. Step 2: Convert to fraction form
    8,524.78/11,764.18 = 4,988.67/x
  3. Step 3: Cross multiply
    8,524.78x = 11,764.18 × 4,988.67
  4. Step 4: Simplify right side
    8,524.78x = 58,687,611.84
  5. Step 5: Solve for x
    x = 58,687,611.84/8,524.78
  6. Step 6: Final answer
    x = 6,884.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.