Home / 12,174.23-18,264.08-3,854.75

Finding the Fourth Proportional to 12,174.23, 18,264.08 and 3,854.75

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Solution

The fourth proportional to 12,174.23, 18,264.08 and 3,854.75 is: 5,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.23 : 18,264.08 = 3,854.75 : x
  2. Step 2: Convert to fraction form
    12,174.23/18,264.08 = 3,854.75/x
  3. Step 3: Cross multiply
    12,174.23x = 18,264.08 × 3,854.75
  4. Step 4: Simplify right side
    12,174.23x = 70,403,462.38
  5. Step 5: Solve for x
    x = 70,403,462.38/12,174.23
  6. Step 6: Final answer
    x = 5,782.99

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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.