Home / 12,016.64-18,023.04-5,089.28

Finding the Fourth Proportional to 12,016.64, 18,023.04 and 5,089.28

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Solution

The fourth proportional to 12,016.64, 18,023.04 and 5,089.28 is: 7,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.64 : 18,023.04 = 5,089.28 : x
  2. Step 2: Convert to fraction form
    12,016.64/18,023.04 = 5,089.28/x
  3. Step 3: Cross multiply
    12,016.64x = 18,023.04 × 5,089.28
  4. Step 4: Simplify right side
    12,016.64x = 91,724,297.01
  5. Step 5: Solve for x
    x = 91,724,297.01/12,016.64
  6. Step 6: Final answer
    x = 7,633.11

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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.