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Finding the Fourth Proportional to 8,498.77, 11,733.95 and 5,316.86

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Solution

The fourth proportional to 8,498.77, 11,733.95 and 5,316.86 is: 7,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.77 : 11,733.95 = 5,316.86 : x
  2. Step 2: Convert to fraction form
    8,498.77/11,733.95 = 5,316.86/x
  3. Step 3: Cross multiply
    8,498.77x = 11,733.95 × 5,316.86
  4. Step 4: Simplify right side
    8,498.77x = 62,387,769.40
  5. Step 5: Solve for x
    x = 62,387,769.40/8,498.77
  6. Step 6: Final answer
    x = 7,340.80

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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.