Home / 6,686.58-9,226.53-3,702.39

Finding the Fourth Proportional to 6,686.58, 9,226.53 and 3,702.39

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Solution

The fourth proportional to 6,686.58, 9,226.53 and 3,702.39 is: 5,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.58 : 9,226.53 = 3,702.39 : x
  2. Step 2: Convert to fraction form
    6,686.58/9,226.53 = 3,702.39/x
  3. Step 3: Cross multiply
    6,686.58x = 9,226.53 × 3,702.39
  4. Step 4: Simplify right side
    6,686.58x = 34,160,212.41
  5. Step 5: Solve for x
    x = 34,160,212.41/6,686.58
  6. Step 6: Final answer
    x = 5,108.77

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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.