Home / 7,754.24-11,618.40-6,212

Finding the Fourth Proportional to 7,754.24, 11,618.40 and 6,212

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Solution

The fourth proportional to 7,754.24, 11,618.40 and 6,212 is: 9,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.24 : 11,618.40 = 6,212 : x
  2. Step 2: Convert to fraction form
    7,754.24/11,618.40 = 6,212/x
  3. Step 3: Cross multiply
    7,754.24x = 11,618.40 × 6,212
  4. Step 4: Simplify right side
    7,754.24x = 72,173,500.80
  5. Step 5: Solve for x
    x = 72,173,500.80/7,754.24
  6. Step 6: Final answer
    x = 9,307.62

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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.