Home / 12,104.52-16,666.27-10,997.32

Finding the Fourth Proportional to 12,104.52, 16,666.27 and 10,997.32

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Solution

The fourth proportional to 12,104.52, 16,666.27 and 10,997.32 is: 15,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.52 : 16,666.27 = 10,997.32 : x
  2. Step 2: Convert to fraction form
    12,104.52/16,666.27 = 10,997.32/x
  3. Step 3: Cross multiply
    12,104.52x = 16,666.27 × 10,997.32
  4. Step 4: Simplify right side
    12,104.52x = 183,284,249.41
  5. Step 5: Solve for x
    x = 183,284,249.41/12,104.52
  6. Step 6: Final answer
    x = 15,141.80

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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.