Home / 11,202.03-15,457.23-7,419.33

Finding the Fourth Proportional to 11,202.03, 15,457.23 and 7,419.33

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Solution

The fourth proportional to 11,202.03, 15,457.23 and 7,419.33 is: 10,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.03 : 15,457.23 = 7,419.33 : x
  2. Step 2: Convert to fraction form
    11,202.03/15,457.23 = 7,419.33/x
  3. Step 3: Cross multiply
    11,202.03x = 15,457.23 × 7,419.33
  4. Step 4: Simplify right side
    11,202.03x = 114,682,290.26
  5. Step 5: Solve for x
    x = 114,682,290.26/11,202.03
  6. Step 6: Final answer
    x = 10,237.63

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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.