Home / 7,864.61-11,796.86-3,702.35

Finding the Fourth Proportional to 7,864.61, 11,796.86 and 3,702.35

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Solution

The fourth proportional to 7,864.61, 11,796.86 and 3,702.35 is: 5,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.61 : 11,796.86 = 3,702.35 : x
  2. Step 2: Convert to fraction form
    7,864.61/11,796.86 = 3,702.35/x
  3. Step 3: Cross multiply
    7,864.61x = 11,796.86 × 3,702.35
  4. Step 4: Simplify right side
    7,864.61x = 43,676,116.20
  5. Step 5: Solve for x
    x = 43,676,116.20/7,864.61
  6. Step 6: Final answer
    x = 5,553.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.