Home / 7,515.05-11,276.12-3,354.69

Finding the Fourth Proportional to 7,515.05, 11,276.12 and 3,354.69

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Solution

The fourth proportional to 7,515.05, 11,276.12 and 3,354.69 is: 5,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.05 : 11,276.12 = 3,354.69 : x
  2. Step 2: Convert to fraction form
    7,515.05/11,276.12 = 3,354.69/x
  3. Step 3: Cross multiply
    7,515.05x = 11,276.12 × 3,354.69
  4. Step 4: Simplify right side
    7,515.05x = 37,827,887.00
  5. Step 5: Solve for x
    x = 37,827,887.00/7,515.05
  6. Step 6: Final answer
    x = 5,033.62

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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.