Home / 12,525.21-17,283.62-7,488.44

Finding the Fourth Proportional to 12,525.21, 17,283.62 and 7,488.44

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Solution

The fourth proportional to 12,525.21, 17,283.62 and 7,488.44 is: 10,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.21 : 17,283.62 = 7,488.44 : x
  2. Step 2: Convert to fraction form
    12,525.21/17,283.62 = 7,488.44/x
  3. Step 3: Cross multiply
    12,525.21x = 17,283.62 × 7,488.44
  4. Step 4: Simplify right side
    12,525.21x = 129,427,227.49
  5. Step 5: Solve for x
    x = 129,427,227.49/12,525.21
  6. Step 6: Final answer
    x = 10,333.34

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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.