Home / 7,365.09-10,163.86-4,007.92

Finding the Fourth Proportional to 7,365.09, 10,163.86 and 4,007.92

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Solution

The fourth proportional to 7,365.09, 10,163.86 and 4,007.92 is: 5,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.09 : 10,163.86 = 4,007.92 : x
  2. Step 2: Convert to fraction form
    7,365.09/10,163.86 = 4,007.92/x
  3. Step 3: Cross multiply
    7,365.09x = 10,163.86 × 4,007.92
  4. Step 4: Simplify right side
    7,365.09x = 40,735,937.77
  5. Step 5: Solve for x
    x = 40,735,937.77/7,365.09
  6. Step 6: Final answer
    x = 5,530.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.