Home / 9,362.88-14,039.62-3,120.68

Finding the Fourth Proportional to 9,362.88, 14,039.62 and 3,120.68

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Solution

The fourth proportional to 9,362.88, 14,039.62 and 3,120.68 is: 4,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.88 : 14,039.62 = 3,120.68 : x
  2. Step 2: Convert to fraction form
    9,362.88/14,039.62 = 3,120.68/x
  3. Step 3: Cross multiply
    9,362.88x = 14,039.62 × 3,120.68
  4. Step 4: Simplify right side
    9,362.88x = 43,813,188.64
  5. Step 5: Solve for x
    x = 43,813,188.64/9,362.88
  6. Step 6: Final answer
    x = 4,679.46

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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.