Home / 7,844.95-11,756.75-4,329.72

Finding the Fourth Proportional to 7,844.95, 11,756.75 and 4,329.72

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Solution

The fourth proportional to 7,844.95, 11,756.75 and 4,329.72 is: 6,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.95 : 11,756.75 = 4,329.72 : x
  2. Step 2: Convert to fraction form
    7,844.95/11,756.75 = 4,329.72/x
  3. Step 3: Cross multiply
    7,844.95x = 11,756.75 × 4,329.72
  4. Step 4: Simplify right side
    7,844.95x = 50,903,413.96
  5. Step 5: Solve for x
    x = 50,903,413.96/7,844.95
  6. Step 6: Final answer
    x = 6,488.68

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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.