Home / 10,190.39-15,285.51-2,794.82

Finding the Fourth Proportional to 10,190.39, 15,285.51 and 2,794.82

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Solution

The fourth proportional to 10,190.39, 15,285.51 and 2,794.82 is: 4,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.39 : 15,285.51 = 2,794.82 : x
  2. Step 2: Convert to fraction form
    10,190.39/15,285.51 = 2,794.82/x
  3. Step 3: Cross multiply
    10,190.39x = 15,285.51 × 2,794.82
  4. Step 4: Simplify right side
    10,190.39x = 42,720,172.63
  5. Step 5: Solve for x
    x = 42,720,172.63/10,190.39
  6. Step 6: Final answer
    x = 4,192.20

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1.5x scale

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.