Home / 9,450.09-13,039.70-5,672.43

Finding the Fourth Proportional to 9,450.09, 13,039.70 and 5,672.43

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Solution

The fourth proportional to 9,450.09, 13,039.70 and 5,672.43 is: 7,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.09 : 13,039.70 = 5,672.43 : x
  2. Step 2: Convert to fraction form
    9,450.09/13,039.70 = 5,672.43/x
  3. Step 3: Cross multiply
    9,450.09x = 13,039.70 × 5,672.43
  4. Step 4: Simplify right side
    9,450.09x = 73,966,757.11
  5. Step 5: Solve for x
    x = 73,966,757.11/9,450.09
  6. Step 6: Final answer
    x = 7,827.10

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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.