Home / 11,297.88-15,589.26-7,103.16

Finding the Fourth Proportional to 11,297.88, 15,589.26 and 7,103.16

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Solution

The fourth proportional to 11,297.88, 15,589.26 and 7,103.16 is: 9,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.88 : 15,589.26 = 7,103.16 : x
  2. Step 2: Convert to fraction form
    11,297.88/15,589.26 = 7,103.16/x
  3. Step 3: Cross multiply
    11,297.88x = 15,589.26 × 7,103.16
  4. Step 4: Simplify right side
    11,297.88x = 110,733,008.06
  5. Step 5: Solve for x
    x = 110,733,008.06/11,297.88
  6. Step 6: Final answer
    x = 9,801.22

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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.