Home / 9,486.24-14,235.72-3,939.60

Finding the Fourth Proportional to 9,486.24, 14,235.72 and 3,939.60

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Solution

The fourth proportional to 9,486.24, 14,235.72 and 3,939.60 is: 5,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.24 : 14,235.72 = 3,939.60 : x
  2. Step 2: Convert to fraction form
    9,486.24/14,235.72 = 3,939.60/x
  3. Step 3: Cross multiply
    9,486.24x = 14,235.72 × 3,939.60
  4. Step 4: Simplify right side
    9,486.24x = 56,083,042.51
  5. Step 5: Solve for x
    x = 56,083,042.51/9,486.24
  6. Step 6: Final answer
    x = 5,912.04

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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.