Home / 7,770.08-11,647.68-2,573.12

Finding the Fourth Proportional to 7,770.08, 11,647.68 and 2,573.12

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Solution

The fourth proportional to 7,770.08, 11,647.68 and 2,573.12 is: 3,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.08 : 11,647.68 = 2,573.12 : x
  2. Step 2: Convert to fraction form
    7,770.08/11,647.68 = 2,573.12/x
  3. Step 3: Cross multiply
    7,770.08x = 11,647.68 × 2,573.12
  4. Step 4: Simplify right side
    7,770.08x = 29,970,878.36
  5. Step 5: Solve for x
    x = 29,970,878.36/7,770.08
  6. Step 6: Final answer
    x = 3,857.22

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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.