Home / 9,440.28-13,027.48-5,191.63

Finding the Fourth Proportional to 9,440.28, 13,027.48 and 5,191.63

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Solution

The fourth proportional to 9,440.28, 13,027.48 and 5,191.63 is: 7,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.28 : 13,027.48 = 5,191.63 : x
  2. Step 2: Convert to fraction form
    9,440.28/13,027.48 = 5,191.63/x
  3. Step 3: Cross multiply
    9,440.28x = 13,027.48 × 5,191.63
  4. Step 4: Simplify right side
    9,440.28x = 67,633,839.65
  5. Step 5: Solve for x
    x = 67,633,839.65/9,440.28
  6. Step 6: Final answer
    x = 7,164.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.