Home / 9,025.52-13,529.04-5,121.68

Finding the Fourth Proportional to 9,025.52, 13,529.04 and 5,121.68

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Solution

The fourth proportional to 9,025.52, 13,529.04 and 5,121.68 is: 7,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.52 : 13,529.04 = 5,121.68 : x
  2. Step 2: Convert to fraction form
    9,025.52/13,529.04 = 5,121.68/x
  3. Step 3: Cross multiply
    9,025.52x = 13,529.04 × 5,121.68
  4. Step 4: Simplify right side
    9,025.52x = 69,291,413.59
  5. Step 5: Solve for x
    x = 69,291,413.59/9,025.52
  6. Step 6: Final answer
    x = 7,677.28

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1.5x scale

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.