Home / 12,310.08-16,993.20-8,532.48

Finding the Fourth Proportional to 12,310.08, 16,993.20 and 8,532.48

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Solution

The fourth proportional to 12,310.08, 16,993.20 and 8,532.48 is: 11,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.08 : 16,993.20 = 8,532.48 : x
  2. Step 2: Convert to fraction form
    12,310.08/16,993.20 = 8,532.48/x
  3. Step 3: Cross multiply
    12,310.08x = 16,993.20 × 8,532.48
  4. Step 4: Simplify right side
    12,310.08x = 144,994,139.14
  5. Step 5: Solve for x
    x = 144,994,139.14/12,310.08
  6. Step 6: Final answer
    x = 11,778.49

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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.