Home / 12,016.08-18,011.58-4,116.26

Finding the Fourth Proportional to 12,016.08, 18,011.58 and 4,116.26

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Solution

The fourth proportional to 12,016.08, 18,011.58 and 4,116.26 is: 6,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.08 : 18,011.58 = 4,116.26 : x
  2. Step 2: Convert to fraction form
    12,016.08/18,011.58 = 4,116.26/x
  3. Step 3: Cross multiply
    12,016.08x = 18,011.58 × 4,116.26
  4. Step 4: Simplify right side
    12,016.08x = 74,140,346.29
  5. Step 5: Solve for x
    x = 74,140,346.29/12,016.08
  6. Step 6: Final answer
    x = 6,170.09

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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.