Home / 11,394.40-17,080.56-4,369.04

Finding the Fourth Proportional to 11,394.40, 17,080.56 and 4,369.04

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Solution

The fourth proportional to 11,394.40, 17,080.56 and 4,369.04 is: 6,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.40 : 17,080.56 = 4,369.04 : x
  2. Step 2: Convert to fraction form
    11,394.40/17,080.56 = 4,369.04/x
  3. Step 3: Cross multiply
    11,394.40x = 17,080.56 × 4,369.04
  4. Step 4: Simplify right side
    11,394.40x = 74,625,649.86
  5. Step 5: Solve for x
    x = 74,625,649.86/11,394.40
  6. Step 6: Final answer
    x = 6,549.33

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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.