Home / 9,515.88-13,131.84-5,324.10

Finding the Fourth Proportional to 9,515.88, 13,131.84 and 5,324.10

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Solution

The fourth proportional to 9,515.88, 13,131.84 and 5,324.10 is: 7,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.88 : 13,131.84 = 5,324.10 : x
  2. Step 2: Convert to fraction form
    9,515.88/13,131.84 = 5,324.10/x
  3. Step 3: Cross multiply
    9,515.88x = 13,131.84 × 5,324.10
  4. Step 4: Simplify right side
    9,515.88x = 69,915,229.34
  5. Step 5: Solve for x
    x = 69,915,229.34/9,515.88
  6. Step 6: Final answer
    x = 7,347.22

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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.