Home / 12,464.91-18,700.55-4,144.98

Finding the Fourth Proportional to 12,464.91, 18,700.55 and 4,144.98

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Solution

The fourth proportional to 12,464.91, 18,700.55 and 4,144.98 is: 6,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.91 : 18,700.55 = 4,144.98 : x
  2. Step 2: Convert to fraction form
    12,464.91/18,700.55 = 4,144.98/x
  3. Step 3: Cross multiply
    12,464.91x = 18,700.55 × 4,144.98
  4. Step 4: Simplify right side
    12,464.91x = 77,513,385.01
  5. Step 5: Solve for x
    x = 77,513,385.01/12,464.91
  6. Step 6: Final answer
    x = 6,218.53

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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.