Home / 12,106.48-18,165.21-6,180.32

Finding the Fourth Proportional to 12,106.48, 18,165.21 and 6,180.32

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Solution

The fourth proportional to 12,106.48, 18,165.21 and 6,180.32 is: 9,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.48 : 18,165.21 = 6,180.32 : x
  2. Step 2: Convert to fraction form
    12,106.48/18,165.21 = 6,180.32/x
  3. Step 3: Cross multiply
    12,106.48x = 18,165.21 × 6,180.32
  4. Step 4: Simplify right side
    12,106.48x = 112,266,688.94
  5. Step 5: Solve for x
    x = 112,266,688.94/12,106.48
  6. Step 6: Final answer
    x = 9,273.27

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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.