Home / 6,724.08-9,259.92-6,702.21

Finding the Fourth Proportional to 6,724.08, 9,259.92 and 6,702.21

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Solution

The fourth proportional to 6,724.08, 9,259.92 and 6,702.21 is: 9,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.08 : 9,259.92 = 6,702.21 : x
  2. Step 2: Convert to fraction form
    6,724.08/9,259.92 = 6,702.21/x
  3. Step 3: Cross multiply
    6,724.08x = 9,259.92 × 6,702.21
  4. Step 4: Simplify right side
    6,724.08x = 62,061,928.42
  5. Step 5: Solve for x
    x = 62,061,928.42/6,724.08
  6. Step 6: Final answer
    x = 9,229.80

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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.