Home / 9,150.63-13,730.55-3,607.95

Finding the Fourth Proportional to 9,150.63, 13,730.55 and 3,607.95

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Solution

The fourth proportional to 9,150.63, 13,730.55 and 3,607.95 is: 5,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.63 : 13,730.55 = 3,607.95 : x
  2. Step 2: Convert to fraction form
    9,150.63/13,730.55 = 3,607.95/x
  3. Step 3: Cross multiply
    9,150.63x = 13,730.55 × 3,607.95
  4. Step 4: Simplify right side
    9,150.63x = 49,539,137.87
  5. Step 5: Solve for x
    x = 49,539,137.87/9,150.63
  6. Step 6: Final answer
    x = 5,413.74

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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.