Home / 11,160.24-16,740.36-3,368.64

Finding the Fourth Proportional to 11,160.24, 16,740.36 and 3,368.64

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Solution

The fourth proportional to 11,160.24, 16,740.36 and 3,368.64 is: 5,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.24 : 16,740.36 = 3,368.64 : x
  2. Step 2: Convert to fraction form
    11,160.24/16,740.36 = 3,368.64/x
  3. Step 3: Cross multiply
    11,160.24x = 16,740.36 × 3,368.64
  4. Step 4: Simplify right side
    11,160.24x = 56,392,246.31
  5. Step 5: Solve for x
    x = 56,392,246.31/11,160.24
  6. Step 6: Final answer
    x = 5,052.96

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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.