Home / 11,254.32-16,880.40-3,463.20

Finding the Fourth Proportional to 11,254.32, 16,880.40 and 3,463.20

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Solution

The fourth proportional to 11,254.32, 16,880.40 and 3,463.20 is: 5,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.32 : 16,880.40 = 3,463.20 : x
  2. Step 2: Convert to fraction form
    11,254.32/16,880.40 = 3,463.20/x
  3. Step 3: Cross multiply
    11,254.32x = 16,880.40 × 3,463.20
  4. Step 4: Simplify right side
    11,254.32x = 58,460,201.28
  5. Step 5: Solve for x
    x = 58,460,201.28/11,254.32
  6. Step 6: Final answer
    x = 5,194.47

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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.