Home / 7,967.10-11,950.30-2,420.32

Finding the Fourth Proportional to 7,967.10, 11,950.30 and 2,420.32

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Solution

The fourth proportional to 7,967.10, 11,950.30 and 2,420.32 is: 3,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.10 : 11,950.30 = 2,420.32 : x
  2. Step 2: Convert to fraction form
    7,967.10/11,950.30 = 2,420.32/x
  3. Step 3: Cross multiply
    7,967.10x = 11,950.30 × 2,420.32
  4. Step 4: Simplify right side
    7,967.10x = 28,923,550.10
  5. Step 5: Solve for x
    x = 28,923,550.10/7,967.10
  6. Step 6: Final answer
    x = 3,630.37

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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.