Home / 7,411.95-11,116.13-2,480.31

Finding the Fourth Proportional to 7,411.95, 11,116.13 and 2,480.31

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Solution

The fourth proportional to 7,411.95, 11,116.13 and 2,480.31 is: 3,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.95 : 11,116.13 = 2,480.31 : x
  2. Step 2: Convert to fraction form
    7,411.95/11,116.13 = 2,480.31/x
  3. Step 3: Cross multiply
    7,411.95x = 11,116.13 × 2,480.31
  4. Step 4: Simplify right side
    7,411.95x = 27,571,436.00
  5. Step 5: Solve for x
    x = 27,571,436.00/7,411.95
  6. Step 6: Final answer
    x = 3,719.86

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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.