Home / 11,880.18-16,394.56-6,575.31

Finding the Fourth Proportional to 11,880.18, 16,394.56 and 6,575.31

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Solution

The fourth proportional to 11,880.18, 16,394.56 and 6,575.31 is: 9,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.18 : 16,394.56 = 6,575.31 : x
  2. Step 2: Convert to fraction form
    11,880.18/16,394.56 = 6,575.31/x
  3. Step 3: Cross multiply
    11,880.18x = 16,394.56 × 6,575.31
  4. Step 4: Simplify right side
    11,880.18x = 107,799,297.88
  5. Step 5: Solve for x
    x = 107,799,297.88/11,880.18
  6. Step 6: Final answer
    x = 9,073.88

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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.