Home / 7,351.12-11,025.53-2,420.34

Finding the Fourth Proportional to 7,351.12, 11,025.53 and 2,420.34

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Solution

The fourth proportional to 7,351.12, 11,025.53 and 2,420.34 is: 3,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.12 : 11,025.53 = 2,420.34 : x
  2. Step 2: Convert to fraction form
    7,351.12/11,025.53 = 2,420.34/x
  3. Step 3: Cross multiply
    7,351.12x = 11,025.53 × 2,420.34
  4. Step 4: Simplify right side
    7,351.12x = 26,685,531.28
  5. Step 5: Solve for x
    x = 26,685,531.28/7,351.12
  6. Step 6: Final answer
    x = 3,630.13

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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.