Home / 9,540.29-13,165.97-5,291.36

Finding the Fourth Proportional to 9,540.29, 13,165.97 and 5,291.36

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Solution

The fourth proportional to 9,540.29, 13,165.97 and 5,291.36 is: 7,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.29 : 13,165.97 = 5,291.36 : x
  2. Step 2: Convert to fraction form
    9,540.29/13,165.97 = 5,291.36/x
  3. Step 3: Cross multiply
    9,540.29x = 13,165.97 × 5,291.36
  4. Step 4: Simplify right side
    9,540.29x = 69,665,914.53
  5. Step 5: Solve for x
    x = 69,665,914.53/9,540.29
  6. Step 6: Final answer
    x = 7,302.28

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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.