Home / 8,943.54-12,341.97-5,166.69

Finding the Fourth Proportional to 8,943.54, 12,341.97 and 5,166.69

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Solution

The fourth proportional to 8,943.54, 12,341.97 and 5,166.69 is: 7,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.54 : 12,341.97 = 5,166.69 : x
  2. Step 2: Convert to fraction form
    8,943.54/12,341.97 = 5,166.69/x
  3. Step 3: Cross multiply
    8,943.54x = 12,341.97 × 5,166.69
  4. Step 4: Simplify right side
    8,943.54x = 63,767,132.98
  5. Step 5: Solve for x
    x = 63,767,132.98/8,943.54
  6. Step 6: Final answer
    x = 7,129.97

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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.