Home / 10,247.34-15,361.38-9,334.32

Finding the Fourth Proportional to 10,247.34, 15,361.38 and 9,334.32

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Solution

The fourth proportional to 10,247.34, 15,361.38 and 9,334.32 is: 13,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.34 : 15,361.38 = 9,334.32 : x
  2. Step 2: Convert to fraction form
    10,247.34/15,361.38 = 9,334.32/x
  3. Step 3: Cross multiply
    10,247.34x = 15,361.38 × 9,334.32
  4. Step 4: Simplify right side
    10,247.34x = 143,388,036.56
  5. Step 5: Solve for x
    x = 143,388,036.56/10,247.34
  6. Step 6: Final answer
    x = 13,992.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.