Home / 11,326.48-15,629.39-6,613.49

Finding the Fourth Proportional to 11,326.48, 15,629.39 and 6,613.49

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Solution

The fourth proportional to 11,326.48, 15,629.39 and 6,613.49 is: 9,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.48 : 15,629.39 = 6,613.49 : x
  2. Step 2: Convert to fraction form
    11,326.48/15,629.39 = 6,613.49/x
  3. Step 3: Cross multiply
    11,326.48x = 15,629.39 × 6,613.49
  4. Step 4: Simplify right side
    11,326.48x = 103,364,845.28
  5. Step 5: Solve for x
    x = 103,364,845.28/11,326.48
  6. Step 6: Final answer
    x = 9,125.95

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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.