Home / 9,021.08-12,448.14-5,243.56

Finding the Fourth Proportional to 9,021.08, 12,448.14 and 5,243.56

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Solution

The fourth proportional to 9,021.08, 12,448.14 and 5,243.56 is: 7,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.08 : 12,448.14 = 5,243.56 : x
  2. Step 2: Convert to fraction form
    9,021.08/12,448.14 = 5,243.56/x
  3. Step 3: Cross multiply
    9,021.08x = 12,448.14 × 5,243.56
  4. Step 4: Simplify right side
    9,021.08x = 65,272,568.98
  5. Step 5: Solve for x
    x = 65,272,568.98/9,021.08
  6. Step 6: Final answer
    x = 7,235.56

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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.