Home / 10,107.22-13,947.62-5,630.82

Finding the Fourth Proportional to 10,107.22, 13,947.62 and 5,630.82

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Solution

The fourth proportional to 10,107.22, 13,947.62 and 5,630.82 is: 7,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.22 : 13,947.62 = 5,630.82 : x
  2. Step 2: Convert to fraction form
    10,107.22/13,947.62 = 5,630.82/x
  3. Step 3: Cross multiply
    10,107.22x = 13,947.62 × 5,630.82
  4. Step 4: Simplify right side
    10,107.22x = 78,536,537.65
  5. Step 5: Solve for x
    x = 78,536,537.65/10,107.22
  6. Step 6: Final answer
    x = 7,770.34

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1.5x scale

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.