Home / 11,465.52-17,176.32-7,761.36

Finding the Fourth Proportional to 11,465.52, 17,176.32 and 7,761.36

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Solution

The fourth proportional to 11,465.52, 17,176.32 and 7,761.36 is: 11,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.52 : 17,176.32 = 7,761.36 : x
  2. Step 2: Convert to fraction form
    11,465.52/17,176.32 = 7,761.36/x
  3. Step 3: Cross multiply
    11,465.52x = 17,176.32 × 7,761.36
  4. Step 4: Simplify right side
    11,465.52x = 133,311,603.00
  5. Step 5: Solve for x
    x = 133,311,603.00/11,465.52
  6. Step 6: Final answer
    x = 11,627.17

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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.