Home / 8,971.19-13,459.67-2,732.41

Finding the Fourth Proportional to 8,971.19, 13,459.67 and 2,732.41

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Solution

The fourth proportional to 8,971.19, 13,459.67 and 2,732.41 is: 4,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.19 : 13,459.67 = 2,732.41 : x
  2. Step 2: Convert to fraction form
    8,971.19/13,459.67 = 2,732.41/x
  3. Step 3: Cross multiply
    8,971.19x = 13,459.67 × 2,732.41
  4. Step 4: Simplify right side
    8,971.19x = 36,777,336.90
  5. Step 5: Solve for x
    x = 36,777,336.90/8,971.19
  6. Step 6: Final answer
    x = 4,099.49

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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.