Home / 7,486.41-10,331.31-4,129.14

Finding the Fourth Proportional to 7,486.41, 10,331.31 and 4,129.14

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Solution

The fourth proportional to 7,486.41, 10,331.31 and 4,129.14 is: 5,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.41 : 10,331.31 = 4,129.14 : x
  2. Step 2: Convert to fraction form
    7,486.41/10,331.31 = 4,129.14/x
  3. Step 3: Cross multiply
    7,486.41x = 10,331.31 × 4,129.14
  4. Step 4: Simplify right side
    7,486.41x = 42,659,479.60
  5. Step 5: Solve for x
    x = 42,659,479.60/7,486.41
  6. Step 6: Final answer
    x = 5,698.25

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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.