Home / 9,021.11-12,450.49-5,483.63

Finding the Fourth Proportional to 9,021.11, 12,450.49 and 5,483.63

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Solution

The fourth proportional to 9,021.11, 12,450.49 and 5,483.63 is: 7,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.11 : 12,450.49 = 5,483.63 : x
  2. Step 2: Convert to fraction form
    9,021.11/12,450.49 = 5,483.63/x
  3. Step 3: Cross multiply
    9,021.11x = 12,450.49 × 5,483.63
  4. Step 4: Simplify right side
    9,021.11x = 68,273,897.90
  5. Step 5: Solve for x
    x = 68,273,897.90/9,021.11
  6. Step 6: Final answer
    x = 7,568.24

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Half scale
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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.