Home / 10,853.14-14,979.25-6,376.88

Finding the Fourth Proportional to 10,853.14, 14,979.25 and 6,376.88

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Solution

The fourth proportional to 10,853.14, 14,979.25 and 6,376.88 is: 8,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.14 : 14,979.25 = 6,376.88 : x
  2. Step 2: Convert to fraction form
    10,853.14/14,979.25 = 6,376.88/x
  3. Step 3: Cross multiply
    10,853.14x = 14,979.25 × 6,376.88
  4. Step 4: Simplify right side
    10,853.14x = 95,520,917.38
  5. Step 5: Solve for x
    x = 95,520,917.38/10,853.14
  6. Step 6: Final answer
    x = 8,801.23

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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.