Home / 11,256.20-16,886.70-3,465.80

Finding the Fourth Proportional to 11,256.20, 16,886.70 and 3,465.80

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Solution

The fourth proportional to 11,256.20, 16,886.70 and 3,465.80 is: 5,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.20 : 16,886.70 = 3,465.80 : x
  2. Step 2: Convert to fraction form
    11,256.20/16,886.70 = 3,465.80/x
  3. Step 3: Cross multiply
    11,256.20x = 16,886.70 × 3,465.80
  4. Step 4: Simplify right side
    11,256.20x = 58,525,924.86
  5. Step 5: Solve for x
    x = 58,525,924.86/11,256.20
  6. Step 6: Final answer
    x = 5,199.44

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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.