Home / 8,378.74-11,562.24-4,975.93

Finding the Fourth Proportional to 8,378.74, 11,562.24 and 4,975.93

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Solution

The fourth proportional to 8,378.74, 11,562.24 and 4,975.93 is: 6,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.74 : 11,562.24 = 4,975.93 : x
  2. Step 2: Convert to fraction form
    8,378.74/11,562.24 = 4,975.93/x
  3. Step 3: Cross multiply
    8,378.74x = 11,562.24 × 4,975.93
  4. Step 4: Simplify right side
    8,378.74x = 57,532,930.00
  5. Step 5: Solve for x
    x = 57,532,930.00/8,378.74
  6. Step 6: Final answer
    x = 6,866.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.