Home / 10,340.82-14,270.37-5,625.09

Finding the Fourth Proportional to 10,340.82, 14,270.37 and 5,625.09

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Solution

The fourth proportional to 10,340.82, 14,270.37 and 5,625.09 is: 7,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.82 : 14,270.37 = 5,625.09 : x
  2. Step 2: Convert to fraction form
    10,340.82/14,270.37 = 5,625.09/x
  3. Step 3: Cross multiply
    10,340.82x = 14,270.37 × 5,625.09
  4. Step 4: Simplify right side
    10,340.82x = 80,272,115.58
  5. Step 5: Solve for x
    x = 80,272,115.58/10,340.82
  6. Step 6: Final answer
    x = 7,762.65

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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.