Home / 8,104.86-11,185.59-4,702.62

Finding the Fourth Proportional to 8,104.86, 11,185.59 and 4,702.62

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Solution

The fourth proportional to 8,104.86, 11,185.59 and 4,702.62 is: 6,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.86 : 11,185.59 = 4,702.62 : x
  2. Step 2: Convert to fraction form
    8,104.86/11,185.59 = 4,702.62/x
  3. Step 3: Cross multiply
    8,104.86x = 11,185.59 × 4,702.62
  4. Step 4: Simplify right side
    8,104.86x = 52,601,523.32
  5. Step 5: Solve for x
    x = 52,601,523.32/8,104.86
  6. Step 6: Final answer
    x = 6,490.13

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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.