Home / 12,732.30-17,569.44-7,427.58

Finding the Fourth Proportional to 12,732.30, 17,569.44 and 7,427.58

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Solution

The fourth proportional to 12,732.30, 17,569.44 and 7,427.58 is: 10,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.30 : 17,569.44 = 7,427.58 : x
  2. Step 2: Convert to fraction form
    12,732.30/17,569.44 = 7,427.58/x
  3. Step 3: Cross multiply
    12,732.30x = 17,569.44 × 7,427.58
  4. Step 4: Simplify right side
    12,732.30x = 130,498,421.16
  5. Step 5: Solve for x
    x = 130,498,421.16/12,732.30
  6. Step 6: Final answer
    x = 10,249.40

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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.