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Finding the Fourth Proportional to 11,627.28, 16,039.08 and 6,913.08

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Solution

The fourth proportional to 11,627.28, 16,039.08 and 6,913.08 is: 9,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.28 : 16,039.08 = 6,913.08 : x
  2. Step 2: Convert to fraction form
    11,627.28/16,039.08 = 6,913.08/x
  3. Step 3: Cross multiply
    11,627.28x = 16,039.08 × 6,913.08
  4. Step 4: Simplify right side
    11,627.28x = 110,879,443.17
  5. Step 5: Solve for x
    x = 110,879,443.17/11,627.28
  6. Step 6: Final answer
    x = 9,536.15

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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.