Home / 13,071.76-19,607.33-3,211.02

Finding the Fourth Proportional to 13,071.76, 19,607.33 and 3,211.02

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Solution

The fourth proportional to 13,071.76, 19,607.33 and 3,211.02 is: 4,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.76 : 19,607.33 = 3,211.02 : x
  2. Step 2: Convert to fraction form
    13,071.76/19,607.33 = 3,211.02/x
  3. Step 3: Cross multiply
    13,071.76x = 19,607.33 × 3,211.02
  4. Step 4: Simplify right side
    13,071.76x = 62,959,536.80
  5. Step 5: Solve for x
    x = 62,959,536.80/13,071.76
  6. Step 6: Final answer
    x = 4,816.46

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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.