Home / 12,010.12-18,015.42-6,468.04

Finding the Fourth Proportional to 12,010.12, 18,015.42 and 6,468.04

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Solution

The fourth proportional to 12,010.12, 18,015.42 and 6,468.04 is: 9,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.12 : 18,015.42 = 6,468.04 : x
  2. Step 2: Convert to fraction form
    12,010.12/18,015.42 = 6,468.04/x
  3. Step 3: Cross multiply
    12,010.12x = 18,015.42 × 6,468.04
  4. Step 4: Simplify right side
    12,010.12x = 116,524,457.18
  5. Step 5: Solve for x
    x = 116,524,457.18/12,010.12
  6. Step 6: Final answer
    x = 9,702.19

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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.