Home / 6,858.32-9,464.48-3,874.35

Finding the Fourth Proportional to 6,858.32, 9,464.48 and 3,874.35

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Solution

The fourth proportional to 6,858.32, 9,464.48 and 3,874.35 is: 5,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.32 : 9,464.48 = 3,874.35 : x
  2. Step 2: Convert to fraction form
    6,858.32/9,464.48 = 3,874.35/x
  3. Step 3: Cross multiply
    6,858.32x = 9,464.48 × 3,874.35
  4. Step 4: Simplify right side
    6,858.32x = 36,668,688.72
  5. Step 5: Solve for x
    x = 36,668,688.72/6,858.32
  6. Step 6: Final answer
    x = 5,346.60

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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.