Home / 7,690.08-11,536.92-3,305.10

Finding the Fourth Proportional to 7,690.08, 11,536.92 and 3,305.10

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Solution

The fourth proportional to 7,690.08, 11,536.92 and 3,305.10 is: 4,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.08 : 11,536.92 = 3,305.10 : x
  2. Step 2: Convert to fraction form
    7,690.08/11,536.92 = 3,305.10/x
  3. Step 3: Cross multiply
    7,690.08x = 11,536.92 × 3,305.10
  4. Step 4: Simplify right side
    7,690.08x = 38,130,674.29
  5. Step 5: Solve for x
    x = 38,130,674.29/7,690.08
  6. Step 6: Final answer
    x = 4,958.42

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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.