Home / 10,363.85-15,532.75-5,619.83

Finding the Fourth Proportional to 10,363.85, 15,532.75 and 5,619.83

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Solution

The fourth proportional to 10,363.85, 15,532.75 and 5,619.83 is: 8,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.85 : 15,532.75 = 5,619.83 : x
  2. Step 2: Convert to fraction form
    10,363.85/15,532.75 = 5,619.83/x
  3. Step 3: Cross multiply
    10,363.85x = 15,532.75 × 5,619.83
  4. Step 4: Simplify right side
    10,363.85x = 87,291,423.26
  5. Step 5: Solve for x
    x = 87,291,423.26/10,363.85
  6. Step 6: Final answer
    x = 8,422.68

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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.