Home / 7,845.24-10,826.82-4,658.70

Finding the Fourth Proportional to 7,845.24, 10,826.82 and 4,658.70

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Solution

The fourth proportional to 7,845.24, 10,826.82 and 4,658.70 is: 6,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.24 : 10,826.82 = 4,658.70 : x
  2. Step 2: Convert to fraction form
    7,845.24/10,826.82 = 4,658.70/x
  3. Step 3: Cross multiply
    7,845.24x = 10,826.82 × 4,658.70
  4. Step 4: Simplify right side
    7,845.24x = 50,438,906.33
  5. Step 5: Solve for x
    x = 50,438,906.33/7,845.24
  6. Step 6: Final answer
    x = 6,429.24

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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.