Home / 6,845.88-9,447.28-3,702.06

Finding the Fourth Proportional to 6,845.88, 9,447.28 and 3,702.06

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Solution

The fourth proportional to 6,845.88, 9,447.28 and 3,702.06 is: 5,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.88 : 9,447.28 = 3,702.06 : x
  2. Step 2: Convert to fraction form
    6,845.88/9,447.28 = 3,702.06/x
  3. Step 3: Cross multiply
    6,845.88x = 9,447.28 × 3,702.06
  4. Step 4: Simplify right side
    6,845.88x = 34,974,397.40
  5. Step 5: Solve for x
    x = 34,974,397.40/6,845.88
  6. Step 6: Final answer
    x = 5,108.82

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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.