Home / 7,561.26-11,339.84-4,783.76

Finding the Fourth Proportional to 7,561.26, 11,339.84 and 4,783.76

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Solution

The fourth proportional to 7,561.26, 11,339.84 and 4,783.76 is: 7,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.26 : 11,339.84 = 4,783.76 : x
  2. Step 2: Convert to fraction form
    7,561.26/11,339.84 = 4,783.76/x
  3. Step 3: Cross multiply
    7,561.26x = 11,339.84 × 4,783.76
  4. Step 4: Simplify right side
    7,561.26x = 54,247,073.00
  5. Step 5: Solve for x
    x = 54,247,073.00/7,561.26
  6. Step 6: Final answer
    x = 7,174.34

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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.