Home / 6,825.24-9,424.68-4,311.72

Finding the Fourth Proportional to 6,825.24, 9,424.68 and 4,311.72

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Solution

The fourth proportional to 6,825.24, 9,424.68 and 4,311.72 is: 5,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.24 : 9,424.68 = 4,311.72 : x
  2. Step 2: Convert to fraction form
    6,825.24/9,424.68 = 4,311.72/x
  3. Step 3: Cross multiply
    6,825.24x = 9,424.68 × 4,311.72
  4. Step 4: Simplify right side
    6,825.24x = 40,636,581.25
  5. Step 5: Solve for x
    x = 40,636,581.25/6,825.24
  6. Step 6: Final answer
    x = 5,953.87

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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.