Home / 7,501.41-11,257.09-3,118.86

Finding the Fourth Proportional to 7,501.41, 11,257.09 and 3,118.86

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Solution

The fourth proportional to 7,501.41, 11,257.09 and 3,118.86 is: 4,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.41 : 11,257.09 = 3,118.86 : x
  2. Step 2: Convert to fraction form
    7,501.41/11,257.09 = 3,118.86/x
  3. Step 3: Cross multiply
    7,501.41x = 11,257.09 × 3,118.86
  4. Step 4: Simplify right side
    7,501.41x = 35,109,279.92
  5. Step 5: Solve for x
    x = 35,109,279.92/7,501.41
  6. Step 6: Final answer
    x = 4,680.36

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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.