Home / 10,381.26-14,326.20-5,665.44

Finding the Fourth Proportional to 10,381.26, 14,326.20 and 5,665.44

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Solution

The fourth proportional to 10,381.26, 14,326.20 and 5,665.44 is: 7,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.26 : 14,326.20 = 5,665.44 : x
  2. Step 2: Convert to fraction form
    10,381.26/14,326.20 = 5,665.44/x
  3. Step 3: Cross multiply
    10,381.26x = 14,326.20 × 5,665.44
  4. Step 4: Simplify right side
    10,381.26x = 81,164,226.53
  5. Step 5: Solve for x
    x = 81,164,226.53/10,381.26
  6. Step 6: Final answer
    x = 7,818.34

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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.