Home / 11,472.90-17,213.40-4,077.60

Finding the Fourth Proportional to 11,472.90, 17,213.40 and 4,077.60

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Solution

The fourth proportional to 11,472.90, 17,213.40 and 4,077.60 is: 6,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.90 : 17,213.40 = 4,077.60 : x
  2. Step 2: Convert to fraction form
    11,472.90/17,213.40 = 4,077.60/x
  3. Step 3: Cross multiply
    11,472.90x = 17,213.40 × 4,077.60
  4. Step 4: Simplify right side
    11,472.90x = 70,189,359.84
  5. Step 5: Solve for x
    x = 70,189,359.84/11,472.90
  6. Step 6: Final answer
    x = 6,117.84

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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.