Home / 9,519.14-13,134.59-6,161.49

Finding the Fourth Proportional to 9,519.14, 13,134.59 and 6,161.49

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Solution

The fourth proportional to 9,519.14, 13,134.59 and 6,161.49 is: 8,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.14 : 13,134.59 = 6,161.49 : x
  2. Step 2: Convert to fraction form
    9,519.14/13,134.59 = 6,161.49/x
  3. Step 3: Cross multiply
    9,519.14x = 13,134.59 × 6,161.49
  4. Step 4: Simplify right side
    9,519.14x = 80,928,637.24
  5. Step 5: Solve for x
    x = 80,928,637.24/9,519.14
  6. Step 6: Final answer
    x = 8,501.67

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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.