Home / 7,853.91-10,838.25-4,317.05

Finding the Fourth Proportional to 7,853.91, 10,838.25 and 4,317.05

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Solution

The fourth proportional to 7,853.91, 10,838.25 and 4,317.05 is: 5,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.91 : 10,838.25 = 4,317.05 : x
  2. Step 2: Convert to fraction form
    7,853.91/10,838.25 = 4,317.05/x
  3. Step 3: Cross multiply
    7,853.91x = 10,838.25 × 4,317.05
  4. Step 4: Simplify right side
    7,853.91x = 46,789,212.97
  5. Step 5: Solve for x
    x = 46,789,212.97/7,853.91
  6. Step 6: Final answer
    x = 5,957.44

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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.