Home / 10,107.72-13,948.66-5,859.60

Finding the Fourth Proportional to 10,107.72, 13,948.66 and 5,859.60

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Solution

The fourth proportional to 10,107.72, 13,948.66 and 5,859.60 is: 8,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.72 : 13,948.66 = 5,859.60 : x
  2. Step 2: Convert to fraction form
    10,107.72/13,948.66 = 5,859.60/x
  3. Step 3: Cross multiply
    10,107.72x = 13,948.66 × 5,859.60
  4. Step 4: Simplify right side
    10,107.72x = 81,733,568.14
  5. Step 5: Solve for x
    x = 81,733,568.14/10,107.72
  6. Step 6: Final answer
    x = 8,086.25

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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.