Home / 10,086.37-13,920.45-6,107.51

Finding the Fourth Proportional to 10,086.37, 13,920.45 and 6,107.51

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Solution

The fourth proportional to 10,086.37, 13,920.45 and 6,107.51 is: 8,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.37 : 13,920.45 = 6,107.51 : x
  2. Step 2: Convert to fraction form
    10,086.37/13,920.45 = 6,107.51/x
  3. Step 3: Cross multiply
    10,086.37x = 13,920.45 × 6,107.51
  4. Step 4: Simplify right side
    10,086.37x = 85,019,287.58
  5. Step 5: Solve for x
    x = 85,019,287.58/10,086.37
  6. Step 6: Final answer
    x = 8,429.13

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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.