Home / 9,975.24-13,763.28-6,339.96

Finding the Fourth Proportional to 9,975.24, 13,763.28 and 6,339.96

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Solution

The fourth proportional to 9,975.24, 13,763.28 and 6,339.96 is: 8,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.24 : 13,763.28 = 6,339.96 : x
  2. Step 2: Convert to fraction form
    9,975.24/13,763.28 = 6,339.96/x
  3. Step 3: Cross multiply
    9,975.24x = 13,763.28 × 6,339.96
  4. Step 4: Simplify right side
    9,975.24x = 87,258,644.67
  5. Step 5: Solve for x
    x = 87,258,644.67/9,975.24
  6. Step 6: Final answer
    x = 8,747.52

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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.