Home / 12,467.02-18,716.86-8,770.98

Finding the Fourth Proportional to 12,467.02, 18,716.86 and 8,770.98

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Solution

The fourth proportional to 12,467.02, 18,716.86 and 8,770.98 is: 13,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.02 : 18,716.86 = 8,770.98 : x
  2. Step 2: Convert to fraction form
    12,467.02/18,716.86 = 8,770.98/x
  3. Step 3: Cross multiply
    12,467.02x = 18,716.86 × 8,770.98
  4. Step 4: Simplify right side
    12,467.02x = 164,165,204.72
  5. Step 5: Solve for x
    x = 164,165,204.72/12,467.02
  6. Step 6: Final answer
    x = 13,167.96

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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.