Home / 10,447.38-14,424.21-6,474.33

Finding the Fourth Proportional to 10,447.38, 14,424.21 and 6,474.33

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Solution

The fourth proportional to 10,447.38, 14,424.21 and 6,474.33 is: 8,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.38 : 14,424.21 = 6,474.33 : x
  2. Step 2: Convert to fraction form
    10,447.38/14,424.21 = 6,474.33/x
  3. Step 3: Cross multiply
    10,447.38x = 14,424.21 × 6,474.33
  4. Step 4: Simplify right side
    10,447.38x = 93,387,095.53
  5. Step 5: Solve for x
    x = 93,387,095.53/10,447.38
  6. Step 6: Final answer
    x = 8,938.81

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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.