Home / 11,165.08-16,747.97-5,615.39

Finding the Fourth Proportional to 11,165.08, 16,747.97 and 5,615.39

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Solution

The fourth proportional to 11,165.08, 16,747.97 and 5,615.39 is: 8,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.08 : 16,747.97 = 5,615.39 : x
  2. Step 2: Convert to fraction form
    11,165.08/16,747.97 = 5,615.39/x
  3. Step 3: Cross multiply
    11,165.08x = 16,747.97 × 5,615.39
  4. Step 4: Simplify right side
    11,165.08x = 94,046,341.39
  5. Step 5: Solve for x
    x = 94,046,341.39/11,165.08
  6. Step 6: Final answer
    x = 8,423.26

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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.