Home / 10,540.40-14,545-5,824.84

Finding the Fourth Proportional to 10,540.40, 14,545 and 5,824.84

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Solution

The fourth proportional to 10,540.40, 14,545 and 5,824.84 is: 8,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.40 : 14,545 = 5,824.84 : x
  2. Step 2: Convert to fraction form
    10,540.40/14,545 = 5,824.84/x
  3. Step 3: Cross multiply
    10,540.40x = 14,545 × 5,824.84
  4. Step 4: Simplify right side
    10,540.40x = 84,722,297.80
  5. Step 5: Solve for x
    x = 84,722,297.80/10,540.40
  6. Step 6: Final answer
    x = 8,037.86

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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.