Home / 12,370.28-17,044.25-8,384.48

Finding the Fourth Proportional to 12,370.28, 17,044.25 and 8,384.48

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Solution

The fourth proportional to 12,370.28, 17,044.25 and 8,384.48 is: 11,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.28 : 17,044.25 = 8,384.48 : x
  2. Step 2: Convert to fraction form
    12,370.28/17,044.25 = 8,384.48/x
  3. Step 3: Cross multiply
    12,370.28x = 17,044.25 × 8,384.48
  4. Step 4: Simplify right side
    12,370.28x = 142,907,108.98
  5. Step 5: Solve for x
    x = 142,907,108.98/12,370.28
  6. Step 6: Final answer
    x = 11,552.45

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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.