Home / 7,968.30-11,939.16-5,624.48

Finding the Fourth Proportional to 7,968.30, 11,939.16 and 5,624.48

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Solution

The fourth proportional to 7,968.30, 11,939.16 and 5,624.48 is: 8,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.30 : 11,939.16 = 5,624.48 : x
  2. Step 2: Convert to fraction form
    7,968.30/11,939.16 = 5,624.48/x
  3. Step 3: Cross multiply
    7,968.30x = 11,939.16 × 5,624.48
  4. Step 4: Simplify right side
    7,968.30x = 67,151,506.94
  5. Step 5: Solve for x
    x = 67,151,506.94/7,968.30
  6. Step 6: Final answer
    x = 8,427.33

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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.