Home / 11,997.52-16,554.65-7,216.29

Finding the Fourth Proportional to 11,997.52, 16,554.65 and 7,216.29

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Solution

The fourth proportional to 11,997.52, 16,554.65 and 7,216.29 is: 9,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.52 : 16,554.65 = 7,216.29 : x
  2. Step 2: Convert to fraction form
    11,997.52/16,554.65 = 7,216.29/x
  3. Step 3: Cross multiply
    11,997.52x = 16,554.65 × 7,216.29
  4. Step 4: Simplify right side
    11,997.52x = 119,463,119.17
  5. Step 5: Solve for x
    x = 119,463,119.17/11,997.52
  6. Step 6: Final answer
    x = 9,957.32

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Half scale
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Double scale
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Similar ratio
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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.