Home / 11,157.59-16,745.58-5,612.51

Finding the Fourth Proportional to 11,157.59, 16,745.58 and 5,612.51

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Solution

The fourth proportional to 11,157.59, 16,745.58 and 5,612.51 is: 8,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.59 : 16,745.58 = 5,612.51 : x
  2. Step 2: Convert to fraction form
    11,157.59/16,745.58 = 5,612.51/x
  3. Step 3: Cross multiply
    11,157.59x = 16,745.58 × 5,612.51
  4. Step 4: Simplify right side
    11,157.59x = 93,984,651.48
  5. Step 5: Solve for x
    x = 93,984,651.48/11,157.59
  6. Step 6: Final answer
    x = 8,423.39

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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.