Home / 7,170.86-10,707.22-6,425.66

Finding the Fourth Proportional to 7,170.86, 10,707.22 and 6,425.66

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Solution

The fourth proportional to 7,170.86, 10,707.22 and 6,425.66 is: 9,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.86 : 10,707.22 = 6,425.66 : x
  2. Step 2: Convert to fraction form
    7,170.86/10,707.22 = 6,425.66/x
  3. Step 3: Cross multiply
    7,170.86x = 10,707.22 × 6,425.66
  4. Step 4: Simplify right side
    7,170.86x = 68,800,955.27
  5. Step 5: Solve for x
    x = 68,800,955.27/7,170.86
  6. Step 6: Final answer
    x = 9,594.52

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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.