Home / 7,416.43-11,124.64-1,869.75

Finding the Fourth Proportional to 7,416.43, 11,124.64 and 1,869.75

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Solution

The fourth proportional to 7,416.43, 11,124.64 and 1,869.75 is: 2,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.43 : 11,124.64 = 1,869.75 : x
  2. Step 2: Convert to fraction form
    7,416.43/11,124.64 = 1,869.75/x
  3. Step 3: Cross multiply
    7,416.43x = 11,124.64 × 1,869.75
  4. Step 4: Simplify right side
    7,416.43x = 20,800,297.98
  5. Step 5: Solve for x
    x = 20,800,297.98/7,416.43
  6. Step 6: Final answer
    x = 2,804.63

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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.