Home / 12,093.36-18,147.24-5,167.68

Finding the Fourth Proportional to 12,093.36, 18,147.24 and 5,167.68

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Solution

The fourth proportional to 12,093.36, 18,147.24 and 5,167.68 is: 7,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.36 : 18,147.24 = 5,167.68 : x
  2. Step 2: Convert to fraction form
    12,093.36/18,147.24 = 5,167.68/x
  3. Step 3: Cross multiply
    12,093.36x = 18,147.24 × 5,167.68
  4. Step 4: Simplify right side
    12,093.36x = 93,779,129.20
  5. Step 5: Solve for x
    x = 93,779,129.20/12,093.36
  6. Step 6: Final answer
    x = 7,754.60

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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.