Home / 13,079.45-19,616.34-4,759.67

Finding the Fourth Proportional to 13,079.45, 19,616.34 and 4,759.67

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Solution

The fourth proportional to 13,079.45, 19,616.34 and 4,759.67 is: 7,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.45 : 19,616.34 = 4,759.67 : x
  2. Step 2: Convert to fraction form
    13,079.45/19,616.34 = 4,759.67/x
  3. Step 3: Cross multiply
    13,079.45x = 19,616.34 × 4,759.67
  4. Step 4: Simplify right side
    13,079.45x = 93,367,305.01
  5. Step 5: Solve for x
    x = 93,367,305.01/13,079.45
  6. Step 6: Final answer
    x = 7,138.47

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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.