Home / 11,529.75-17,294.63-8,901.09

Finding the Fourth Proportional to 11,529.75, 17,294.63 and 8,901.09

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Solution

The fourth proportional to 11,529.75, 17,294.63 and 8,901.09 is: 13,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.75 : 17,294.63 = 8,901.09 : x
  2. Step 2: Convert to fraction form
    11,529.75/17,294.63 = 8,901.09/x
  3. Step 3: Cross multiply
    11,529.75x = 17,294.63 × 8,901.09
  4. Step 4: Simplify right side
    11,529.75x = 153,941,136.67
  5. Step 5: Solve for x
    x = 153,941,136.67/11,529.75
  6. Step 6: Final answer
    x = 13,351.64

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Double scale
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Similar ratio
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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.