Home / 10,840.70-16,268.44-4,997.36

Finding the Fourth Proportional to 10,840.70, 16,268.44 and 4,997.36

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Solution

The fourth proportional to 10,840.70, 16,268.44 and 4,997.36 is: 7,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.70 : 16,268.44 = 4,997.36 : x
  2. Step 2: Convert to fraction form
    10,840.70/16,268.44 = 4,997.36/x
  3. Step 3: Cross multiply
    10,840.70x = 16,268.44 × 4,997.36
  4. Step 4: Simplify right side
    10,840.70x = 81,299,251.32
  5. Step 5: Solve for x
    x = 81,299,251.32/10,840.70
  6. Step 6: Final answer
    x = 7,499.45

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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.