Home / 12,623.65-17,424.18-8,847.82

Finding the Fourth Proportional to 12,623.65, 17,424.18 and 8,847.82

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Solution

The fourth proportional to 12,623.65, 17,424.18 and 8,847.82 is: 12,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.65 : 17,424.18 = 8,847.82 : x
  2. Step 2: Convert to fraction form
    12,623.65/17,424.18 = 8,847.82/x
  3. Step 3: Cross multiply
    12,623.65x = 17,424.18 × 8,847.82
  4. Step 4: Simplify right side
    12,623.65x = 154,165,932.06
  5. Step 5: Solve for x
    x = 154,165,932.06/12,623.65
  6. Step 6: Final answer
    x = 12,212.47

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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.