Home / 23,213.12-34,809.34-7,415.24

Finding the Fourth Proportional to 23,213.12, 34,809.34 and 7,415.24

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Solution

The fourth proportional to 23,213.12, 34,809.34 and 7,415.24 is: 11,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,213.12 : 34,809.34 = 7,415.24 : x
  2. Step 2: Convert to fraction form
    23,213.12/34,809.34 = 7,415.24/x
  3. Step 3: Cross multiply
    23,213.12x = 34,809.34 × 7,415.24
  4. Step 4: Simplify right side
    23,213.12x = 258,119,610.34
  5. Step 5: Solve for x
    x = 258,119,610.34/23,213.12
  6. Step 6: Final answer
    x = 11,119.56

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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.