Home / 9,040.13-13,561.62-2,798.67

Finding the Fourth Proportional to 9,040.13, 13,561.62 and 2,798.67

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Solution

The fourth proportional to 9,040.13, 13,561.62 and 2,798.67 is: 4,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.13 : 13,561.62 = 2,798.67 : x
  2. Step 2: Convert to fraction form
    9,040.13/13,561.62 = 2,798.67/x
  3. Step 3: Cross multiply
    9,040.13x = 13,561.62 × 2,798.67
  4. Step 4: Simplify right side
    9,040.13x = 37,954,499.05
  5. Step 5: Solve for x
    x = 37,954,499.05/9,040.13
  6. Step 6: Final answer
    x = 4,198.45

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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.