Home / 7,373.86-10,176.14-4,187.09

Finding the Fourth Proportional to 7,373.86, 10,176.14 and 4,187.09

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Solution

The fourth proportional to 7,373.86, 10,176.14 and 4,187.09 is: 5,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.86 : 10,176.14 = 4,187.09 : x
  2. Step 2: Convert to fraction form
    7,373.86/10,176.14 = 4,187.09/x
  3. Step 3: Cross multiply
    7,373.86x = 10,176.14 × 4,187.09
  4. Step 4: Simplify right side
    7,373.86x = 42,608,449.94
  5. Step 5: Solve for x
    x = 42,608,449.94/7,373.86
  6. Step 6: Final answer
    x = 5,778.31

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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.