Home / 12,164.43-18,247.53-4,266.07

Finding the Fourth Proportional to 12,164.43, 18,247.53 and 4,266.07

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Solution

The fourth proportional to 12,164.43, 18,247.53 and 4,266.07 is: 6,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.43 : 18,247.53 = 4,266.07 : x
  2. Step 2: Convert to fraction form
    12,164.43/18,247.53 = 4,266.07/x
  3. Step 3: Cross multiply
    12,164.43x = 18,247.53 × 4,266.07
  4. Step 4: Simplify right side
    12,164.43x = 77,845,186.69
  5. Step 5: Solve for x
    x = 77,845,186.69/12,164.43
  6. Step 6: Final answer
    x = 6,399.41

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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.