Home / 9,021.07-12,446.31-5,243.50

Finding the Fourth Proportional to 9,021.07, 12,446.31 and 5,243.50

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Solution

The fourth proportional to 9,021.07, 12,446.31 and 5,243.50 is: 7,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.07 : 12,446.31 = 5,243.50 : x
  2. Step 2: Convert to fraction form
    9,021.07/12,446.31 = 5,243.50/x
  3. Step 3: Cross multiply
    9,021.07x = 12,446.31 × 5,243.50
  4. Step 4: Simplify right side
    9,021.07x = 65,262,226.49
  5. Step 5: Solve for x
    x = 65,262,226.49/9,021.07
  6. Step 6: Final answer
    x = 7,234.42

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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.