Home / 9,619.15-14,429.55-3,378.62

Finding the Fourth Proportional to 9,619.15, 14,429.55 and 3,378.62

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Solution

The fourth proportional to 9,619.15, 14,429.55 and 3,378.62 is: 5,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.15 : 14,429.55 = 3,378.62 : x
  2. Step 2: Convert to fraction form
    9,619.15/14,429.55 = 3,378.62/x
  3. Step 3: Cross multiply
    9,619.15x = 14,429.55 × 3,378.62
  4. Step 4: Simplify right side
    9,619.15x = 48,751,877.18
  5. Step 5: Solve for x
    x = 48,751,877.18/9,619.15
  6. Step 6: Final answer
    x = 5,068.21

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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.