Home / 11,400.40-17,099.48-7,726.24

Finding the Fourth Proportional to 11,400.40, 17,099.48 and 7,726.24

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Solution

The fourth proportional to 11,400.40, 17,099.48 and 7,726.24 is: 11,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.40 : 17,099.48 = 7,726.24 : x
  2. Step 2: Convert to fraction form
    11,400.40/17,099.48 = 7,726.24/x
  3. Step 3: Cross multiply
    11,400.40x = 17,099.48 × 7,726.24
  4. Step 4: Simplify right side
    11,400.40x = 132,114,686.36
  5. Step 5: Solve for x
    x = 132,114,686.36/11,400.40
  6. Step 6: Final answer
    x = 11,588.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.