Home / 6,879.18-9,497.61-5,108.70

Finding the Fourth Proportional to 6,879.18, 9,497.61 and 5,108.70

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Solution

The fourth proportional to 6,879.18, 9,497.61 and 5,108.70 is: 7,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.18 : 9,497.61 = 5,108.70 : x
  2. Step 2: Convert to fraction form
    6,879.18/9,497.61 = 5,108.70/x
  3. Step 3: Cross multiply
    6,879.18x = 9,497.61 × 5,108.70
  4. Step 4: Simplify right side
    6,879.18x = 48,520,440.21
  5. Step 5: Solve for x
    x = 48,520,440.21/6,879.18
  6. Step 6: Final answer
    x = 7,053.23

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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.