Home / 10,997.40-16,496.10-4,074.60

Finding the Fourth Proportional to 10,997.40, 16,496.10 and 4,074.60

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Solution

The fourth proportional to 10,997.40, 16,496.10 and 4,074.60 is: 6,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.40 : 16,496.10 = 4,074.60 : x
  2. Step 2: Convert to fraction form
    10,997.40/16,496.10 = 4,074.60/x
  3. Step 3: Cross multiply
    10,997.40x = 16,496.10 × 4,074.60
  4. Step 4: Simplify right side
    10,997.40x = 67,215,009.06
  5. Step 5: Solve for x
    x = 67,215,009.06/10,997.40
  6. Step 6: Final answer
    x = 6,111.90

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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.