Home / 10,039.14-15,135.72-9,361.59

Finding the Fourth Proportional to 10,039.14, 15,135.72 and 9,361.59

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Solution

The fourth proportional to 10,039.14, 15,135.72 and 9,361.59 is: 14,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.14 : 15,135.72 = 9,361.59 : x
  2. Step 2: Convert to fraction form
    10,039.14/15,135.72 = 9,361.59/x
  3. Step 3: Cross multiply
    10,039.14x = 15,135.72 × 9,361.59
  4. Step 4: Simplify right side
    10,039.14x = 141,694,404.99
  5. Step 5: Solve for x
    x = 141,694,404.99/10,039.14
  6. Step 6: Final answer
    x = 14,114.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.