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Finding the Fourth Proportional to 9,502.90, 13,112.86 and 5,253.39

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Solution

The fourth proportional to 9,502.90, 13,112.86 and 5,253.39 is: 7,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.90 : 13,112.86 = 5,253.39 : x
  2. Step 2: Convert to fraction form
    9,502.90/13,112.86 = 5,253.39/x
  3. Step 3: Cross multiply
    9,502.90x = 13,112.86 × 5,253.39
  4. Step 4: Simplify right side
    9,502.90x = 68,886,967.60
  5. Step 5: Solve for x
    x = 68,886,967.60/9,502.90
  6. Step 6: Final answer
    x = 7,249.05

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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.