Home / 11,985.52-16,540.32-7,270.24

Finding the Fourth Proportional to 11,985.52, 16,540.32 and 7,270.24

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Solution

The fourth proportional to 11,985.52, 16,540.32 and 7,270.24 is: 10,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.52 : 16,540.32 = 7,270.24 : x
  2. Step 2: Convert to fraction form
    11,985.52/16,540.32 = 7,270.24/x
  3. Step 3: Cross multiply
    11,985.52x = 16,540.32 × 7,270.24
  4. Step 4: Simplify right side
    11,985.52x = 120,252,096.08
  5. Step 5: Solve for x
    x = 120,252,096.08/11,985.52
  6. Step 6: Final answer
    x = 10,033.11

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Double scale
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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.