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Finding the Fourth Proportional to 11,513.56, 17,184.88 and 9,925.48

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Solution

The fourth proportional to 11,513.56, 17,184.88 and 9,925.48 is: 14,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.56 : 17,184.88 = 9,925.48 : x
  2. Step 2: Convert to fraction form
    11,513.56/17,184.88 = 9,925.48/x
  3. Step 3: Cross multiply
    11,513.56x = 17,184.88 × 9,925.48
  4. Step 4: Simplify right side
    11,513.56x = 170,568,182.74
  5. Step 5: Solve for x
    x = 170,568,182.74/11,513.56
  6. Step 6: Final answer
    x = 14,814.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.