Home / 10,502.66-15,758.62-5,571.09

Finding the Fourth Proportional to 10,502.66, 15,758.62 and 5,571.09

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Solution

The fourth proportional to 10,502.66, 15,758.62 and 5,571.09 is: 8,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.66 : 15,758.62 = 5,571.09 : x
  2. Step 2: Convert to fraction form
    10,502.66/15,758.62 = 5,571.09/x
  3. Step 3: Cross multiply
    10,502.66x = 15,758.62 × 5,571.09
  4. Step 4: Simplify right side
    10,502.66x = 87,792,711.19
  5. Step 5: Solve for x
    x = 87,792,711.19/10,502.66
  6. Step 6: Final answer
    x = 8,359.09

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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.