Home / 7,512.86-10,367.80-4,155.73

Finding the Fourth Proportional to 7,512.86, 10,367.80 and 4,155.73

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Solution

The fourth proportional to 7,512.86, 10,367.80 and 4,155.73 is: 5,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.86 : 10,367.80 = 4,155.73 : x
  2. Step 2: Convert to fraction form
    7,512.86/10,367.80 = 4,155.73/x
  3. Step 3: Cross multiply
    7,512.86x = 10,367.80 × 4,155.73
  4. Step 4: Simplify right side
    7,512.86x = 43,085,741.19
  5. Step 5: Solve for x
    x = 43,085,741.19/7,512.86
  6. Step 6: Final answer
    x = 5,734.93

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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.