Home / 11,350.64-15,668.16-6,636.44

Finding the Fourth Proportional to 11,350.64, 15,668.16 and 6,636.44

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Solution

The fourth proportional to 11,350.64, 15,668.16 and 6,636.44 is: 9,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.64 : 15,668.16 = 6,636.44 : x
  2. Step 2: Convert to fraction form
    11,350.64/15,668.16 = 6,636.44/x
  3. Step 3: Cross multiply
    11,350.64x = 15,668.16 × 6,636.44
  4. Step 4: Simplify right side
    11,350.64x = 103,980,803.75
  5. Step 5: Solve for x
    x = 103,980,803.75/11,350.64
  6. Step 6: Final answer
    x = 9,160.79

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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.