Home / 11,605.25-16,017.27-6,889.43

Finding the Fourth Proportional to 11,605.25, 16,017.27 and 6,889.43

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Solution

The fourth proportional to 11,605.25, 16,017.27 and 6,889.43 is: 9,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.25 : 16,017.27 = 6,889.43 : x
  2. Step 2: Convert to fraction form
    11,605.25/16,017.27 = 6,889.43/x
  3. Step 3: Cross multiply
    11,605.25x = 16,017.27 × 6,889.43
  4. Step 4: Simplify right side
    11,605.25x = 110,349,860.46
  5. Step 5: Solve for x
    x = 110,349,860.46/11,605.25
  6. Step 6: Final answer
    x = 9,508.62

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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.