Home / 8,458.29-11,674.31-4,923.55

Finding the Fourth Proportional to 8,458.29, 11,674.31 and 4,923.55

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Solution

The fourth proportional to 8,458.29, 11,674.31 and 4,923.55 is: 6,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.29 : 11,674.31 = 4,923.55 : x
  2. Step 2: Convert to fraction form
    8,458.29/11,674.31 = 4,923.55/x
  3. Step 3: Cross multiply
    8,458.29x = 11,674.31 × 4,923.55
  4. Step 4: Simplify right side
    8,458.29x = 57,478,990.63
  5. Step 5: Solve for x
    x = 57,478,990.63/8,458.29
  6. Step 6: Final answer
    x = 6,795.58

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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.