Home / 9,644.90-13,319.44-6,668.42

Finding the Fourth Proportional to 9,644.90, 13,319.44 and 6,668.42

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Solution

The fourth proportional to 9,644.90, 13,319.44 and 6,668.42 is: 9,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.90 : 13,319.44 = 6,668.42 : x
  2. Step 2: Convert to fraction form
    9,644.90/13,319.44 = 6,668.42/x
  3. Step 3: Cross multiply
    9,644.90x = 13,319.44 × 6,668.42
  4. Step 4: Simplify right side
    9,644.90x = 88,819,620.08
  5. Step 5: Solve for x
    x = 88,819,620.08/9,644.90
  6. Step 6: Final answer
    x = 9,208.97

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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.