Home / 13,177.26-18,184.41-7,208.82

Finding the Fourth Proportional to 13,177.26, 18,184.41 and 7,208.82

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Solution

The fourth proportional to 13,177.26, 18,184.41 and 7,208.82 is: 9,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.26 : 18,184.41 = 7,208.82 : x
  2. Step 2: Convert to fraction form
    13,177.26/18,184.41 = 7,208.82/x
  3. Step 3: Cross multiply
    13,177.26x = 18,184.41 × 7,208.82
  4. Step 4: Simplify right side
    13,177.26x = 131,088,138.50
  5. Step 5: Solve for x
    x = 131,088,138.50/13,177.26
  6. Step 6: Final answer
    x = 9,948.06

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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.