Home / 7,966.76-11,950.20-2,420.16

Finding the Fourth Proportional to 7,966.76, 11,950.20 and 2,420.16

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Solution

The fourth proportional to 7,966.76, 11,950.20 and 2,420.16 is: 3,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.76 : 11,950.20 = 2,420.16 : x
  2. Step 2: Convert to fraction form
    7,966.76/11,950.20 = 2,420.16/x
  3. Step 3: Cross multiply
    7,966.76x = 11,950.20 × 2,420.16
  4. Step 4: Simplify right side
    7,966.76x = 28,921,396.03
  5. Step 5: Solve for x
    x = 28,921,396.03/7,966.76
  6. Step 6: Final answer
    x = 3,630.26

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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.