Home / 11,051.20-16,555.20-10,273.60

Finding the Fourth Proportional to 11,051.20, 16,555.20 and 10,273.60

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Solution

The fourth proportional to 11,051.20, 16,555.20 and 10,273.60 is: 15,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.20 : 16,555.20 = 10,273.60 : x
  2. Step 2: Convert to fraction form
    11,051.20/16,555.20 = 10,273.60/x
  3. Step 3: Cross multiply
    11,051.20x = 16,555.20 × 10,273.60
  4. Step 4: Simplify right side
    11,051.20x = 170,081,502.72
  5. Step 5: Solve for x
    x = 170,081,502.72/11,051.20
  6. Step 6: Final answer
    x = 15,390.32

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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.