Home / 8,458.22-11,675.54-5,474.79

Finding the Fourth Proportional to 8,458.22, 11,675.54 and 5,474.79

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Solution

The fourth proportional to 8,458.22, 11,675.54 and 5,474.79 is: 7,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.22 : 11,675.54 = 5,474.79 : x
  2. Step 2: Convert to fraction form
    8,458.22/11,675.54 = 5,474.79/x
  3. Step 3: Cross multiply
    8,458.22x = 11,675.54 × 5,474.79
  4. Step 4: Simplify right side
    8,458.22x = 63,921,143.32
  5. Step 5: Solve for x
    x = 63,921,143.32/8,458.22
  6. Step 6: Final answer
    x = 7,557.28

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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.