Home / 12,261.67-18,389.46-3,496.66

Finding the Fourth Proportional to 12,261.67, 18,389.46 and 3,496.66

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Solution

The fourth proportional to 12,261.67, 18,389.46 and 3,496.66 is: 5,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.67 : 18,389.46 = 3,496.66 : x
  2. Step 2: Convert to fraction form
    12,261.67/18,389.46 = 3,496.66/x
  3. Step 3: Cross multiply
    12,261.67x = 18,389.46 × 3,496.66
  4. Step 4: Simplify right side
    12,261.67x = 64,301,597.26
  5. Step 5: Solve for x
    x = 64,301,597.26/12,261.67
  6. Step 6: Final answer
    x = 5,244.12

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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.