Home / 12,266.10-18,399.15-5,705.10

Finding the Fourth Proportional to 12,266.10, 18,399.15 and 5,705.10

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Solution

The fourth proportional to 12,266.10, 18,399.15 and 5,705.10 is: 8,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.10 : 18,399.15 = 5,705.10 : x
  2. Step 2: Convert to fraction form
    12,266.10/18,399.15 = 5,705.10/x
  3. Step 3: Cross multiply
    12,266.10x = 18,399.15 × 5,705.10
  4. Step 4: Simplify right side
    12,266.10x = 104,968,990.67
  5. Step 5: Solve for x
    x = 104,968,990.67/12,266.10
  6. Step 6: Final answer
    x = 8,557.65

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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.