Home / 9,162.50-13,705.20-8,497.76

Finding the Fourth Proportional to 9,162.50, 13,705.20 and 8,497.76

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Solution

The fourth proportional to 9,162.50, 13,705.20 and 8,497.76 is: 12,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.50 : 13,705.20 = 8,497.76 : x
  2. Step 2: Convert to fraction form
    9,162.50/13,705.20 = 8,497.76/x
  3. Step 3: Cross multiply
    9,162.50x = 13,705.20 × 8,497.76
  4. Step 4: Simplify right side
    9,162.50x = 116,463,500.35
  5. Step 5: Solve for x
    x = 116,463,500.35/9,162.50
  6. Step 6: Final answer
    x = 12,710.89

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Double scale
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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.