Home / 10,103.96-13,943.49-5,855.84

Finding the Fourth Proportional to 10,103.96, 13,943.49 and 5,855.84

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Solution

The fourth proportional to 10,103.96, 13,943.49 and 5,855.84 is: 8,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.96 : 13,943.49 = 5,855.84 : x
  2. Step 2: Convert to fraction form
    10,103.96/13,943.49 = 5,855.84/x
  3. Step 3: Cross multiply
    10,103.96x = 13,943.49 × 5,855.84
  4. Step 4: Simplify right side
    10,103.96x = 81,650,918.46
  5. Step 5: Solve for x
    x = 81,650,918.46/10,103.96
  6. Step 6: Final answer
    x = 8,081.08

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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.