Home / 10,885.75-16,328.40-3,496.30

Finding the Fourth Proportional to 10,885.75, 16,328.40 and 3,496.30

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Solution

The fourth proportional to 10,885.75, 16,328.40 and 3,496.30 is: 5,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.75 : 16,328.40 = 3,496.30 : x
  2. Step 2: Convert to fraction form
    10,885.75/16,328.40 = 3,496.30/x
  3. Step 3: Cross multiply
    10,885.75x = 16,328.40 × 3,496.30
  4. Step 4: Simplify right side
    10,885.75x = 57,088,984.92
  5. Step 5: Solve for x
    x = 57,088,984.92/10,885.75
  6. Step 6: Final answer
    x = 5,244.38

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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.