Home / 7,448.64-11,172.98-2,254.56

Finding the Fourth Proportional to 7,448.64, 11,172.98 and 2,254.56

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Solution

The fourth proportional to 7,448.64, 11,172.98 and 2,254.56 is: 3,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.64 : 11,172.98 = 2,254.56 : x
  2. Step 2: Convert to fraction form
    7,448.64/11,172.98 = 2,254.56/x
  3. Step 3: Cross multiply
    7,448.64x = 11,172.98 × 2,254.56
  4. Step 4: Simplify right side
    7,448.64x = 25,190,153.79
  5. Step 5: Solve for x
    x = 25,190,153.79/7,448.64
  6. Step 6: Final answer
    x = 3,381.85

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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.