Home / 9,207.60-12,705.36-6,229.92

Finding the Fourth Proportional to 9,207.60, 12,705.36 and 6,229.92

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Solution

The fourth proportional to 9,207.60, 12,705.36 and 6,229.92 is: 8,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.60 : 12,705.36 = 6,229.92 : x
  2. Step 2: Convert to fraction form
    9,207.60/12,705.36 = 6,229.92/x
  3. Step 3: Cross multiply
    9,207.60x = 12,705.36 × 6,229.92
  4. Step 4: Simplify right side
    9,207.60x = 79,153,376.37
  5. Step 5: Solve for x
    x = 79,153,376.37/9,207.60
  6. Step 6: Final answer
    x = 8,596.53

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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.