Home / 12,049.08-18,070.37-4,256.88

Finding the Fourth Proportional to 12,049.08, 18,070.37 and 4,256.88

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Solution

The fourth proportional to 12,049.08, 18,070.37 and 4,256.88 is: 6,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.08 : 18,070.37 = 4,256.88 : x
  2. Step 2: Convert to fraction form
    12,049.08/18,070.37 = 4,256.88/x
  3. Step 3: Cross multiply
    12,049.08x = 18,070.37 × 4,256.88
  4. Step 4: Simplify right side
    12,049.08x = 76,923,396.65
  5. Step 5: Solve for x
    x = 76,923,396.65/12,049.08
  6. Step 6: Final answer
    x = 6,384.17

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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.