Home / 6,530.40-9,789.17-4,183.74

Finding the Fourth Proportional to 6,530.40, 9,789.17 and 4,183.74

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Solution

The fourth proportional to 6,530.40, 9,789.17 and 4,183.74 is: 6,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.40 : 9,789.17 = 4,183.74 : x
  2. Step 2: Convert to fraction form
    6,530.40/9,789.17 = 4,183.74/x
  3. Step 3: Cross multiply
    6,530.40x = 9,789.17 × 4,183.74
  4. Step 4: Simplify right side
    6,530.40x = 40,955,321.18
  5. Step 5: Solve for x
    x = 40,955,321.18/6,530.40
  6. Step 6: Final answer
    x = 6,271.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.