Home / 9,639.54-14,455.67-5,254.61

Finding the Fourth Proportional to 9,639.54, 14,455.67 and 5,254.61

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Solution

The fourth proportional to 9,639.54, 14,455.67 and 5,254.61 is: 7,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.54 : 14,455.67 = 5,254.61 : x
  2. Step 2: Convert to fraction form
    9,639.54/14,455.67 = 5,254.61/x
  3. Step 3: Cross multiply
    9,639.54x = 14,455.67 × 5,254.61
  4. Step 4: Simplify right side
    9,639.54x = 75,958,809.59
  5. Step 5: Solve for x
    x = 75,958,809.59/9,639.54
  6. Step 6: Final answer
    x = 7,879.92

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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.