Home / 12,451.18-18,651.76-6,192.26

Finding the Fourth Proportional to 12,451.18, 18,651.76 and 6,192.26

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Solution

The fourth proportional to 12,451.18, 18,651.76 and 6,192.26 is: 9,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.18 : 18,651.76 = 6,192.26 : x
  2. Step 2: Convert to fraction form
    12,451.18/18,651.76 = 6,192.26/x
  3. Step 3: Cross multiply
    12,451.18x = 18,651.76 × 6,192.26
  4. Step 4: Simplify right side
    12,451.18x = 115,496,547.38
  5. Step 5: Solve for x
    x = 115,496,547.38/12,451.18
  6. Step 6: Final answer
    x = 9,275.95

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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.