Home / 11,715.48-17,572.14-6,769.62

Finding the Fourth Proportional to 11,715.48, 17,572.14 and 6,769.62

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Solution

The fourth proportional to 11,715.48, 17,572.14 and 6,769.62 is: 10,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.48 : 17,572.14 = 6,769.62 : x
  2. Step 2: Convert to fraction form
    11,715.48/17,572.14 = 6,769.62/x
  3. Step 3: Cross multiply
    11,715.48x = 17,572.14 × 6,769.62
  4. Step 4: Simplify right side
    11,715.48x = 118,956,710.39
  5. Step 5: Solve for x
    x = 118,956,710.39/11,715.48
  6. Step 6: Final answer
    x = 10,153.81

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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.