Home / 10,507.37-15,761.03-3,112.41

Finding the Fourth Proportional to 10,507.37, 15,761.03 and 3,112.41

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Solution

The fourth proportional to 10,507.37, 15,761.03 and 3,112.41 is: 4,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.37 : 15,761.03 = 3,112.41 : x
  2. Step 2: Convert to fraction form
    10,507.37/15,761.03 = 3,112.41/x
  3. Step 3: Cross multiply
    10,507.37x = 15,761.03 × 3,112.41
  4. Step 4: Simplify right side
    10,507.37x = 49,054,696.91
  5. Step 5: Solve for x
    x = 49,054,696.91/10,507.37
  6. Step 6: Final answer
    x = 4,668.60

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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.