Home / 7,715.14-11,552.95-5,339.93

Finding the Fourth Proportional to 7,715.14, 11,552.95 and 5,339.93

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Solution

The fourth proportional to 7,715.14, 11,552.95 and 5,339.93 is: 7,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.14 : 11,552.95 = 5,339.93 : x
  2. Step 2: Convert to fraction form
    7,715.14/11,552.95 = 5,339.93/x
  3. Step 3: Cross multiply
    7,715.14x = 11,552.95 × 5,339.93
  4. Step 4: Simplify right side
    7,715.14x = 61,691,917.59
  5. Step 5: Solve for x
    x = 61,691,917.59/7,715.14
  6. Step 6: Final answer
    x = 7,996.21

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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.