Home / 13,079.55-19,616.58-4,312.41

Finding the Fourth Proportional to 13,079.55, 19,616.58 and 4,312.41

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Solution

The fourth proportional to 13,079.55, 19,616.58 and 4,312.41 is: 6,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.55 : 19,616.58 = 4,312.41 : x
  2. Step 2: Convert to fraction form
    13,079.55/19,616.58 = 4,312.41/x
  3. Step 3: Cross multiply
    13,079.55x = 19,616.58 × 4,312.41
  4. Step 4: Simplify right side
    13,079.55x = 84,594,735.76
  5. Step 5: Solve for x
    x = 84,594,735.76/13,079.55
  6. Step 6: Final answer
    x = 6,467.71

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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.