Home / 10,108.34-15,169.02-4,911.38

Finding the Fourth Proportional to 10,108.34, 15,169.02 and 4,911.38

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Solution

The fourth proportional to 10,108.34, 15,169.02 and 4,911.38 is: 7,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.34 : 15,169.02 = 4,911.38 : x
  2. Step 2: Convert to fraction form
    10,108.34/15,169.02 = 4,911.38/x
  3. Step 3: Cross multiply
    10,108.34x = 15,169.02 × 4,911.38
  4. Step 4: Simplify right side
    10,108.34x = 74,500,821.45
  5. Step 5: Solve for x
    x = 74,500,821.45/10,108.34
  6. Step 6: Final answer
    x = 7,370.23

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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.