Home / 7,411.10-11,116.44-2,480.63

Finding the Fourth Proportional to 7,411.10, 11,116.44 and 2,480.63

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Solution

The fourth proportional to 7,411.10, 11,116.44 and 2,480.63 is: 3,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.10 : 11,116.44 = 2,480.63 : x
  2. Step 2: Convert to fraction form
    7,411.10/11,116.44 = 2,480.63/x
  3. Step 3: Cross multiply
    7,411.10x = 11,116.44 × 2,480.63
  4. Step 4: Simplify right side
    7,411.10x = 27,575,718.98
  5. Step 5: Solve for x
    x = 27,575,718.98/7,411.10
  6. Step 6: Final answer
    x = 3,720.87

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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.