Home / 7,161.15-10,693.51-5,847.47

Finding the Fourth Proportional to 7,161.15, 10,693.51 and 5,847.47

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Solution

The fourth proportional to 7,161.15, 10,693.51 and 5,847.47 is: 8,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.15 : 10,693.51 = 5,847.47 : x
  2. Step 2: Convert to fraction form
    7,161.15/10,693.51 = 5,847.47/x
  3. Step 3: Cross multiply
    7,161.15x = 10,693.51 × 5,847.47
  4. Step 4: Simplify right side
    7,161.15x = 62,530,011.09
  5. Step 5: Solve for x
    x = 62,530,011.09/7,161.15
  6. Step 6: Final answer
    x = 8,731.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.