Home / 10,083.64-13,913.43-6,105.13

Finding the Fourth Proportional to 10,083.64, 13,913.43 and 6,105.13

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Solution

The fourth proportional to 10,083.64, 13,913.43 and 6,105.13 is: 8,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.64 : 13,913.43 = 6,105.13 : x
  2. Step 2: Convert to fraction form
    10,083.64/13,913.43 = 6,105.13/x
  3. Step 3: Cross multiply
    10,083.64x = 13,913.43 × 6,105.13
  4. Step 4: Simplify right side
    10,083.64x = 84,943,298.90
  5. Step 5: Solve for x
    x = 84,943,298.90/10,083.64
  6. Step 6: Final answer
    x = 8,423.87

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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.