Home / 10,092.08-13,920.59-6,511.61

Finding the Fourth Proportional to 10,092.08, 13,920.59 and 6,511.61

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Solution

The fourth proportional to 10,092.08, 13,920.59 and 6,511.61 is: 8,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.08 : 13,920.59 = 6,511.61 : x
  2. Step 2: Convert to fraction form
    10,092.08/13,920.59 = 6,511.61/x
  3. Step 3: Cross multiply
    10,092.08x = 13,920.59 × 6,511.61
  4. Step 4: Simplify right side
    10,092.08x = 90,645,504.13
  5. Step 5: Solve for x
    x = 90,645,504.13/10,092.08
  6. Step 6: Final answer
    x = 8,981.84

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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.