Home / 8,519.50-11,756.63-4,742.54

Finding the Fourth Proportional to 8,519.50, 11,756.63 and 4,742.54

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Solution

The fourth proportional to 8,519.50, 11,756.63 and 4,742.54 is: 6,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.50 : 11,756.63 = 4,742.54 : x
  2. Step 2: Convert to fraction form
    8,519.50/11,756.63 = 4,742.54/x
  3. Step 3: Cross multiply
    8,519.50x = 11,756.63 × 4,742.54
  4. Step 4: Simplify right side
    8,519.50x = 55,756,252.72
  5. Step 5: Solve for x
    x = 55,756,252.72/8,519.50
  6. Step 6: Final answer
    x = 6,544.55

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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.