Home / 7,853.85-10,838.31-4,317.06

Finding the Fourth Proportional to 7,853.85, 10,838.31 and 4,317.06

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Solution

The fourth proportional to 7,853.85, 10,838.31 and 4,317.06 is: 5,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.85 : 10,838.31 = 4,317.06 : x
  2. Step 2: Convert to fraction form
    7,853.85/10,838.31 = 4,317.06/x
  3. Step 3: Cross multiply
    7,853.85x = 10,838.31 × 4,317.06
  4. Step 4: Simplify right side
    7,853.85x = 46,789,634.57
  5. Step 5: Solve for x
    x = 46,789,634.57/7,853.85
  6. Step 6: Final answer
    x = 5,957.54

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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.