Home / 7,342.77-10,134.68-6,161.79

Finding the Fourth Proportional to 7,342.77, 10,134.68 and 6,161.79

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Solution

The fourth proportional to 7,342.77, 10,134.68 and 6,161.79 is: 8,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.77 : 10,134.68 = 6,161.79 : x
  2. Step 2: Convert to fraction form
    7,342.77/10,134.68 = 6,161.79/x
  3. Step 3: Cross multiply
    7,342.77x = 10,134.68 × 6,161.79
  4. Step 4: Simplify right side
    7,342.77x = 62,447,739.07
  5. Step 5: Solve for x
    x = 62,447,739.07/7,342.77
  6. Step 6: Final answer
    x = 8,504.66

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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.