Home / 11,999.98-16,552.66-7,967.02

Finding the Fourth Proportional to 11,999.98, 16,552.66 and 7,967.02

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Solution

The fourth proportional to 11,999.98, 16,552.66 and 7,967.02 is: 10,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.98 : 16,552.66 = 7,967.02 : x
  2. Step 2: Convert to fraction form
    11,999.98/16,552.66 = 7,967.02/x
  3. Step 3: Cross multiply
    11,999.98x = 16,552.66 × 7,967.02
  4. Step 4: Simplify right side
    11,999.98x = 131,875,373.27
  5. Step 5: Solve for x
    x = 131,875,373.27/11,999.98
  6. Step 6: Final answer
    x = 10,989.63

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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.