Home / 11,330.48-15,634.91-6,617.49

Finding the Fourth Proportional to 11,330.48, 15,634.91 and 6,617.49

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Solution

The fourth proportional to 11,330.48, 15,634.91 and 6,617.49 is: 9,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.48 : 15,634.91 = 6,617.49 : x
  2. Step 2: Convert to fraction form
    11,330.48/15,634.91 = 6,617.49/x
  3. Step 3: Cross multiply
    11,330.48x = 15,634.91 × 6,617.49
  4. Step 4: Simplify right side
    11,330.48x = 103,463,860.58
  5. Step 5: Solve for x
    x = 103,463,860.58/11,330.48
  6. Step 6: Final answer
    x = 9,131.46

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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.