Home / 8,475.24-12,712.94-3,480.36

Finding the Fourth Proportional to 8,475.24, 12,712.94 and 3,480.36

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Solution

The fourth proportional to 8,475.24, 12,712.94 and 3,480.36 is: 5,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.24 : 12,712.94 = 3,480.36 : x
  2. Step 2: Convert to fraction form
    8,475.24/12,712.94 = 3,480.36/x
  3. Step 3: Cross multiply
    8,475.24x = 12,712.94 × 3,480.36
  4. Step 4: Simplify right side
    8,475.24x = 44,245,590.46
  5. Step 5: Solve for x
    x = 44,245,590.46/8,475.24
  6. Step 6: Final answer
    x = 5,220.57

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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.