Home / 8,126.46-11,207.84-5,744.45

Finding the Fourth Proportional to 8,126.46, 11,207.84 and 5,744.45

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Solution

The fourth proportional to 8,126.46, 11,207.84 and 5,744.45 is: 7,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.46 : 11,207.84 = 5,744.45 : x
  2. Step 2: Convert to fraction form
    8,126.46/11,207.84 = 5,744.45/x
  3. Step 3: Cross multiply
    8,126.46x = 11,207.84 × 5,744.45
  4. Step 4: Simplify right side
    8,126.46x = 64,382,875.79
  5. Step 5: Solve for x
    x = 64,382,875.79/8,126.46
  6. Step 6: Final answer
    x = 7,922.62

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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.