Home / 10,338.51-14,267.11-5,622.79

Finding the Fourth Proportional to 10,338.51, 14,267.11 and 5,622.79

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Solution

The fourth proportional to 10,338.51, 14,267.11 and 5,622.79 is: 7,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.51 : 14,267.11 = 5,622.79 : x
  2. Step 2: Convert to fraction form
    10,338.51/14,267.11 = 5,622.79/x
  3. Step 3: Cross multiply
    10,338.51x = 14,267.11 × 5,622.79
  4. Step 4: Simplify right side
    10,338.51x = 80,220,963.44
  5. Step 5: Solve for x
    x = 80,220,963.44/10,338.51
  6. Step 6: Final answer
    x = 7,759.43

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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.