Home / 9,440.23-13,027.81-5,191.08

Finding the Fourth Proportional to 9,440.23, 13,027.81 and 5,191.08

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Solution

The fourth proportional to 9,440.23, 13,027.81 and 5,191.08 is: 7,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.23 : 13,027.81 = 5,191.08 : x
  2. Step 2: Convert to fraction form
    9,440.23/13,027.81 = 5,191.08/x
  3. Step 3: Cross multiply
    9,440.23x = 13,027.81 × 5,191.08
  4. Step 4: Simplify right side
    9,440.23x = 67,628,403.93
  5. Step 5: Solve for x
    x = 67,628,403.93/9,440.23
  6. Step 6: Final answer
    x = 7,163.85

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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.