Home / 11,355.21-17,036.28-5,812.48

Finding the Fourth Proportional to 11,355.21, 17,036.28 and 5,812.48

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Solution

The fourth proportional to 11,355.21, 17,036.28 and 5,812.48 is: 8,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.21 : 17,036.28 = 5,812.48 : x
  2. Step 2: Convert to fraction form
    11,355.21/17,036.28 = 5,812.48/x
  3. Step 3: Cross multiply
    11,355.21x = 17,036.28 × 5,812.48
  4. Step 4: Simplify right side
    11,355.21x = 99,022,922.53
  5. Step 5: Solve for x
    x = 99,022,922.53/11,355.21
  6. Step 6: Final answer
    x = 8,720.49

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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.