Home / 12,240.74-16,891.89-6,937.26

Finding the Fourth Proportional to 12,240.74, 16,891.89 and 6,937.26

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Solution

The fourth proportional to 12,240.74, 16,891.89 and 6,937.26 is: 9,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.74 : 16,891.89 = 6,937.26 : x
  2. Step 2: Convert to fraction form
    12,240.74/16,891.89 = 6,937.26/x
  3. Step 3: Cross multiply
    12,240.74x = 16,891.89 × 6,937.26
  4. Step 4: Simplify right side
    12,240.74x = 117,183,432.82
  5. Step 5: Solve for x
    x = 117,183,432.82/12,240.74
  6. Step 6: Final answer
    x = 9,573.24

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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.