Home / 9,112.48-13,668.72-2,956.96

Finding the Fourth Proportional to 9,112.48, 13,668.72 and 2,956.96

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Solution

The fourth proportional to 9,112.48, 13,668.72 and 2,956.96 is: 4,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.48 : 13,668.72 = 2,956.96 : x
  2. Step 2: Convert to fraction form
    9,112.48/13,668.72 = 2,956.96/x
  3. Step 3: Cross multiply
    9,112.48x = 13,668.72 × 2,956.96
  4. Step 4: Simplify right side
    9,112.48x = 40,417,858.29
  5. Step 5: Solve for x
    x = 40,417,858.29/9,112.48
  6. Step 6: Final answer
    x = 4,435.44

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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.