Home / 11,703.70-16,149.23-6,668.02

Finding the Fourth Proportional to 11,703.70, 16,149.23 and 6,668.02

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Solution

The fourth proportional to 11,703.70, 16,149.23 and 6,668.02 is: 9,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.70 : 16,149.23 = 6,668.02 : x
  2. Step 2: Convert to fraction form
    11,703.70/16,149.23 = 6,668.02/x
  3. Step 3: Cross multiply
    11,703.70x = 16,149.23 × 6,668.02
  4. Step 4: Simplify right side
    11,703.70x = 107,683,388.62
  5. Step 5: Solve for x
    x = 107,683,388.62/11,703.70
  6. Step 6: Final answer
    x = 9,200.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.