Home / 12,321.08-17,001.50-6,943.64

Finding the Fourth Proportional to 12,321.08, 17,001.50 and 6,943.64

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Solution

The fourth proportional to 12,321.08, 17,001.50 and 6,943.64 is: 9,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.08 : 17,001.50 = 6,943.64 : x
  2. Step 2: Convert to fraction form
    12,321.08/17,001.50 = 6,943.64/x
  3. Step 3: Cross multiply
    12,321.08x = 17,001.50 × 6,943.64
  4. Step 4: Simplify right side
    12,321.08x = 118,052,295.46
  5. Step 5: Solve for x
    x = 118,052,295.46/12,321.08
  6. Step 6: Final answer
    x = 9,581.33

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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.