Home / 8,450.94-11,656.26-6,458.06

Finding the Fourth Proportional to 8,450.94, 11,656.26 and 6,458.06

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Solution

The fourth proportional to 8,450.94, 11,656.26 and 6,458.06 is: 8,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.94 : 11,656.26 = 6,458.06 : x
  2. Step 2: Convert to fraction form
    8,450.94/11,656.26 = 6,458.06/x
  3. Step 3: Cross multiply
    8,450.94x = 11,656.26 × 6,458.06
  4. Step 4: Simplify right side
    8,450.94x = 75,276,826.46
  5. Step 5: Solve for x
    x = 75,276,826.46/8,450.94
  6. Step 6: Final answer
    x = 8,907.51

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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.