Home / 12,675.18-17,491.24-7,009.56

Finding the Fourth Proportional to 12,675.18, 17,491.24 and 7,009.56

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Solution

The fourth proportional to 12,675.18, 17,491.24 and 7,009.56 is: 9,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.18 : 17,491.24 = 7,009.56 : x
  2. Step 2: Convert to fraction form
    12,675.18/17,491.24 = 7,009.56/x
  3. Step 3: Cross multiply
    12,675.18x = 17,491.24 × 7,009.56
  4. Step 4: Simplify right side
    12,675.18x = 122,605,896.25
  5. Step 5: Solve for x
    x = 122,605,896.25/12,675.18
  6. Step 6: Final answer
    x = 9,672.91

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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.