Home / 11,960.08-16,505.44-9,967.28

Finding the Fourth Proportional to 11,960.08, 16,505.44 and 9,967.28

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Solution

The fourth proportional to 11,960.08, 16,505.44 and 9,967.28 is: 13,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.08 : 16,505.44 = 9,967.28 : x
  2. Step 2: Convert to fraction form
    11,960.08/16,505.44 = 9,967.28/x
  3. Step 3: Cross multiply
    11,960.08x = 16,505.44 × 9,967.28
  4. Step 4: Simplify right side
    11,960.08x = 164,514,342.00
  5. Step 5: Solve for x
    x = 164,514,342.00/11,960.08
  6. Step 6: Final answer
    x = 13,755.29

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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.