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Finding the Fourth Proportional to 11,484.19, 15,845.48 and 6,516.19

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Solution

The fourth proportional to 11,484.19, 15,845.48 and 6,516.19 is: 8,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.19 : 15,845.48 = 6,516.19 : x
  2. Step 2: Convert to fraction form
    11,484.19/15,845.48 = 6,516.19/x
  3. Step 3: Cross multiply
    11,484.19x = 15,845.48 × 6,516.19
  4. Step 4: Simplify right side
    11,484.19x = 103,252,125.74
  5. Step 5: Solve for x
    x = 103,252,125.74/11,484.19
  6. Step 6: Final answer
    x = 8,990.81

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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.