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Finding the Fourth Proportional to 8,633.88, 11,909.88 and 5,096.70

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Solution

The fourth proportional to 8,633.88, 11,909.88 and 5,096.70 is: 7,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.88 : 11,909.88 = 5,096.70 : x
  2. Step 2: Convert to fraction form
    8,633.88/11,909.88 = 5,096.70/x
  3. Step 3: Cross multiply
    8,633.88x = 11,909.88 × 5,096.70
  4. Step 4: Simplify right side
    8,633.88x = 60,701,085.40
  5. Step 5: Solve for x
    x = 60,701,085.40/8,633.88
  6. Step 6: Final answer
    x = 7,030.57

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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.