Home / 7,736.12-11,577.88-4,776.43

Finding the Fourth Proportional to 7,736.12, 11,577.88 and 4,776.43

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Solution

The fourth proportional to 7,736.12, 11,577.88 and 4,776.43 is: 7,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.12 : 11,577.88 = 4,776.43 : x
  2. Step 2: Convert to fraction form
    7,736.12/11,577.88 = 4,776.43/x
  3. Step 3: Cross multiply
    7,736.12x = 11,577.88 × 4,776.43
  4. Step 4: Simplify right side
    7,736.12x = 55,300,933.37
  5. Step 5: Solve for x
    x = 55,300,933.37/7,736.12
  6. Step 6: Final answer
    x = 7,148.41

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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.