Home / 10,885.32-16,326.36-3,489.01

Finding the Fourth Proportional to 10,885.32, 16,326.36 and 3,489.01

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Solution

The fourth proportional to 10,885.32, 16,326.36 and 3,489.01 is: 5,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.32 : 16,326.36 = 3,489.01 : x
  2. Step 2: Convert to fraction form
    10,885.32/16,326.36 = 3,489.01/x
  3. Step 3: Cross multiply
    10,885.32x = 16,326.36 × 3,489.01
  4. Step 4: Simplify right side
    10,885.32x = 56,962,792.49
  5. Step 5: Solve for x
    x = 56,962,792.49/10,885.32
  6. Step 6: Final answer
    x = 5,232.99

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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.