Home / 7,412.19-11,114.62-2,603.22

Finding the Fourth Proportional to 7,412.19, 11,114.62 and 2,603.22

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Solution

The fourth proportional to 7,412.19, 11,114.62 and 2,603.22 is: 3,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.19 : 11,114.62 = 2,603.22 : x
  2. Step 2: Convert to fraction form
    7,412.19/11,114.62 = 2,603.22/x
  3. Step 3: Cross multiply
    7,412.19x = 11,114.62 × 2,603.22
  4. Step 4: Simplify right side
    7,412.19x = 28,933,801.08
  5. Step 5: Solve for x
    x = 28,933,801.08/7,412.19
  6. Step 6: Final answer
    x = 3,903.54

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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.