Home / 12,114.48-18,171.72-6,677.04

Finding the Fourth Proportional to 12,114.48, 18,171.72 and 6,677.04

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Solution

The fourth proportional to 12,114.48, 18,171.72 and 6,677.04 is: 10,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.48 : 18,171.72 = 6,677.04 : x
  2. Step 2: Convert to fraction form
    12,114.48/18,171.72 = 6,677.04/x
  3. Step 3: Cross multiply
    12,114.48x = 18,171.72 × 6,677.04
  4. Step 4: Simplify right side
    12,114.48x = 121,333,301.31
  5. Step 5: Solve for x
    x = 121,333,301.31/12,114.48
  6. Step 6: Final answer
    x = 10,015.56

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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.