Home / 7,205.12-10,808.76-3,505.04

Finding the Fourth Proportional to 7,205.12, 10,808.76 and 3,505.04

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Solution

The fourth proportional to 7,205.12, 10,808.76 and 3,505.04 is: 5,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.12 : 10,808.76 = 3,505.04 : x
  2. Step 2: Convert to fraction form
    7,205.12/10,808.76 = 3,505.04/x
  3. Step 3: Cross multiply
    7,205.12x = 10,808.76 × 3,505.04
  4. Step 4: Simplify right side
    7,205.12x = 37,885,136.15
  5. Step 5: Solve for x
    x = 37,885,136.15/7,205.12
  6. Step 6: Final answer
    x = 5,258.09

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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.