Home / 11,271.56-15,553.55-6,235.65

Finding the Fourth Proportional to 11,271.56, 15,553.55 and 6,235.65

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Solution

The fourth proportional to 11,271.56, 15,553.55 and 6,235.65 is: 8,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.56 : 15,553.55 = 6,235.65 : x
  2. Step 2: Convert to fraction form
    11,271.56/15,553.55 = 6,235.65/x
  3. Step 3: Cross multiply
    11,271.56x = 15,553.55 × 6,235.65
  4. Step 4: Simplify right side
    11,271.56x = 96,986,509.65
  5. Step 5: Solve for x
    x = 96,986,509.65/11,271.56
  6. Step 6: Final answer
    x = 8,604.54

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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.