Home / 10,107.13-13,936.69-6,920.95

Finding the Fourth Proportional to 10,107.13, 13,936.69 and 6,920.95

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Solution

The fourth proportional to 10,107.13, 13,936.69 and 6,920.95 is: 9,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.13 : 13,936.69 = 6,920.95 : x
  2. Step 2: Convert to fraction form
    10,107.13/13,936.69 = 6,920.95/x
  3. Step 3: Cross multiply
    10,107.13x = 13,936.69 × 6,920.95
  4. Step 4: Simplify right side
    10,107.13x = 96,455,134.66
  5. Step 5: Solve for x
    x = 96,455,134.66/10,107.13
  6. Step 6: Final answer
    x = 9,543.28

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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.