Home / 8,342.21-12,475.39-6,235.30

Finding the Fourth Proportional to 8,342.21, 12,475.39 and 6,235.30

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Solution

The fourth proportional to 8,342.21, 12,475.39 and 6,235.30 is: 9,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.21 : 12,475.39 = 6,235.30 : x
  2. Step 2: Convert to fraction form
    8,342.21/12,475.39 = 6,235.30/x
  3. Step 3: Cross multiply
    8,342.21x = 12,475.39 × 6,235.30
  4. Step 4: Simplify right side
    8,342.21x = 77,787,799.27
  5. Step 5: Solve for x
    x = 77,787,799.27/8,342.21
  6. Step 6: Final answer
    x = 9,324.60

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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.