Home / 10,578.48-15,869.81-3,182.61

Finding the Fourth Proportional to 10,578.48, 15,869.81 and 3,182.61

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Solution

The fourth proportional to 10,578.48, 15,869.81 and 3,182.61 is: 4,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.48 : 15,869.81 = 3,182.61 : x
  2. Step 2: Convert to fraction form
    10,578.48/15,869.81 = 3,182.61/x
  3. Step 3: Cross multiply
    10,578.48x = 15,869.81 × 3,182.61
  4. Step 4: Simplify right side
    10,578.48x = 50,507,416.00
  5. Step 5: Solve for x
    x = 50,507,416.00/10,578.48
  6. Step 6: Final answer
    x = 4,774.54

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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.