Home / 7,086.39-9,777.41-4,848.96

Finding the Fourth Proportional to 7,086.39, 9,777.41 and 4,848.96

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Solution

The fourth proportional to 7,086.39, 9,777.41 and 4,848.96 is: 6,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.39 : 9,777.41 = 4,848.96 : x
  2. Step 2: Convert to fraction form
    7,086.39/9,777.41 = 4,848.96/x
  3. Step 3: Cross multiply
    7,086.39x = 9,777.41 × 4,848.96
  4. Step 4: Simplify right side
    7,086.39x = 47,410,245.75
  5. Step 5: Solve for x
    x = 47,410,245.75/7,086.39
  6. Step 6: Final answer
    x = 6,690.32

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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.