Home / 11,259.40-16,889.10-3,468.20

Finding the Fourth Proportional to 11,259.40, 16,889.10 and 3,468.20

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Solution

The fourth proportional to 11,259.40, 16,889.10 and 3,468.20 is: 5,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.40 : 16,889.10 = 3,468.20 : x
  2. Step 2: Convert to fraction form
    11,259.40/16,889.10 = 3,468.20/x
  3. Step 3: Cross multiply
    11,259.40x = 16,889.10 × 3,468.20
  4. Step 4: Simplify right side
    11,259.40x = 58,574,776.62
  5. Step 5: Solve for x
    x = 58,574,776.62/11,259.40
  6. Step 6: Final answer
    x = 5,202.30

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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.