Home / 13,177.01-18,184.73-7,512.59

Finding the Fourth Proportional to 13,177.01, 18,184.73 and 7,512.59

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Solution

The fourth proportional to 13,177.01, 18,184.73 and 7,512.59 is: 10,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.01 : 18,184.73 = 7,512.59 : x
  2. Step 2: Convert to fraction form
    13,177.01/18,184.73 = 7,512.59/x
  3. Step 3: Cross multiply
    13,177.01x = 18,184.73 × 7,512.59
  4. Step 4: Simplify right side
    13,177.01x = 136,614,428.65
  5. Step 5: Solve for x
    x = 136,614,428.65/13,177.01
  6. Step 6: Final answer
    x = 10,367.63

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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.