Home / 8,203.24-12,294.46-5,240.54

Finding the Fourth Proportional to 8,203.24, 12,294.46 and 5,240.54

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Solution

The fourth proportional to 8,203.24, 12,294.46 and 5,240.54 is: 7,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.24 : 12,294.46 = 5,240.54 : x
  2. Step 2: Convert to fraction form
    8,203.24/12,294.46 = 5,240.54/x
  3. Step 3: Cross multiply
    8,203.24x = 12,294.46 × 5,240.54
  4. Step 4: Simplify right side
    8,203.24x = 64,429,609.41
  5. Step 5: Solve for x
    x = 64,429,609.41/8,203.24
  6. Step 6: Final answer
    x = 7,854.17

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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.