Home / 12,266.18-16,889.84-9,245.69

Finding the Fourth Proportional to 12,266.18, 16,889.84 and 9,245.69

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Solution

The fourth proportional to 12,266.18, 16,889.84 and 9,245.69 is: 12,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.18 : 16,889.84 = 9,245.69 : x
  2. Step 2: Convert to fraction form
    12,266.18/16,889.84 = 9,245.69/x
  3. Step 3: Cross multiply
    12,266.18x = 16,889.84 × 9,245.69
  4. Step 4: Simplify right side
    12,266.18x = 156,158,094.11
  5. Step 5: Solve for x
    x = 156,158,094.11/12,266.18
  6. Step 6: Final answer
    x = 12,730.79

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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.