Home / 10,083.49-13,911.55-6,103.15

Finding the Fourth Proportional to 10,083.49, 13,911.55 and 6,103.15

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Solution

The fourth proportional to 10,083.49, 13,911.55 and 6,103.15 is: 8,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.49 : 13,911.55 = 6,103.15 : x
  2. Step 2: Convert to fraction form
    10,083.49/13,911.55 = 6,103.15/x
  3. Step 3: Cross multiply
    10,083.49x = 13,911.55 × 6,103.15
  4. Step 4: Simplify right side
    10,083.49x = 84,904,226.35
  5. Step 5: Solve for x
    x = 84,904,226.35/10,083.49
  6. Step 6: Final answer
    x = 8,420.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.