Home / 11,628.85-17,440.65-3,308.69

Finding the Fourth Proportional to 11,628.85, 17,440.65 and 3,308.69

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Solution

The fourth proportional to 11,628.85, 17,440.65 and 3,308.69 is: 4,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.85 : 17,440.65 = 3,308.69 : x
  2. Step 2: Convert to fraction form
    11,628.85/17,440.65 = 3,308.69/x
  3. Step 3: Cross multiply
    11,628.85x = 17,440.65 × 3,308.69
  4. Step 4: Simplify right side
    11,628.85x = 57,705,639.18
  5. Step 5: Solve for x
    x = 57,705,639.18/11,628.85
  6. Step 6: Final answer
    x = 4,962.28

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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.