Home / 12,701.12-19,051.36-3,467.20

Finding the Fourth Proportional to 12,701.12, 19,051.36 and 3,467.20

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Solution

The fourth proportional to 12,701.12, 19,051.36 and 3,467.20 is: 5,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.12 : 19,051.36 = 3,467.20 : x
  2. Step 2: Convert to fraction form
    12,701.12/19,051.36 = 3,467.20/x
  3. Step 3: Cross multiply
    12,701.12x = 19,051.36 × 3,467.20
  4. Step 4: Simplify right side
    12,701.12x = 66,054,875.39
  5. Step 5: Solve for x
    x = 66,054,875.39/12,701.12
  6. Step 6: Final answer
    x = 5,200.71

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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.