Home / 8,680.23-11,970.18-5,694.84

Finding the Fourth Proportional to 8,680.23, 11,970.18 and 5,694.84

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Solution

The fourth proportional to 8,680.23, 11,970.18 and 5,694.84 is: 7,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.23 : 11,970.18 = 5,694.84 : x
  2. Step 2: Convert to fraction form
    8,680.23/11,970.18 = 5,694.84/x
  3. Step 3: Cross multiply
    8,680.23x = 11,970.18 × 5,694.84
  4. Step 4: Simplify right side
    8,680.23x = 68,168,259.87
  5. Step 5: Solve for x
    x = 68,168,259.87/8,680.23
  6. Step 6: Final answer
    x = 7,853.28

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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.