Home / 12,331.08-17,016.30-7,025.40

Finding the Fourth Proportional to 12,331.08, 17,016.30 and 7,025.40

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Solution

The fourth proportional to 12,331.08, 17,016.30 and 7,025.40 is: 9,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.08 : 17,016.30 = 7,025.40 : x
  2. Step 2: Convert to fraction form
    12,331.08/17,016.30 = 7,025.40/x
  3. Step 3: Cross multiply
    12,331.08x = 17,016.30 × 7,025.40
  4. Step 4: Simplify right side
    12,331.08x = 119,546,314.02
  5. Step 5: Solve for x
    x = 119,546,314.02/12,331.08
  6. Step 6: Final answer
    x = 9,694.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.