Home / 9,739.54-14,609.40-4,189.42

Finding the Fourth Proportional to 9,739.54, 14,609.40 and 4,189.42

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Solution

The fourth proportional to 9,739.54, 14,609.40 and 4,189.42 is: 6,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.54 : 14,609.40 = 4,189.42 : x
  2. Step 2: Convert to fraction form
    9,739.54/14,609.40 = 4,189.42/x
  3. Step 3: Cross multiply
    9,739.54x = 14,609.40 × 4,189.42
  4. Step 4: Simplify right side
    9,739.54x = 61,204,912.55
  5. Step 5: Solve for x
    x = 61,204,912.55/9,739.54
  6. Step 6: Final answer
    x = 6,284.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.