Home / 7,928.24-11,894.10-2,663.06

Finding the Fourth Proportional to 7,928.24, 11,894.10 and 2,663.06

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Solution

The fourth proportional to 7,928.24, 11,894.10 and 2,663.06 is: 3,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.24 : 11,894.10 = 2,663.06 : x
  2. Step 2: Convert to fraction form
    7,928.24/11,894.10 = 2,663.06/x
  3. Step 3: Cross multiply
    7,928.24x = 11,894.10 × 2,663.06
  4. Step 4: Simplify right side
    7,928.24x = 31,674,701.95
  5. Step 5: Solve for x
    x = 31,674,701.95/7,928.24
  6. Step 6: Final answer
    x = 3,995.17

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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.