Home / 12,760.03-19,128.70-4,967.02

Finding the Fourth Proportional to 12,760.03, 19,128.70 and 4,967.02

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Solution

The fourth proportional to 12,760.03, 19,128.70 and 4,967.02 is: 7,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.03 : 19,128.70 = 4,967.02 : x
  2. Step 2: Convert to fraction form
    12,760.03/19,128.70 = 4,967.02/x
  3. Step 3: Cross multiply
    12,760.03x = 19,128.70 × 4,967.02
  4. Step 4: Simplify right side
    12,760.03x = 95,012,635.47
  5. Step 5: Solve for x
    x = 95,012,635.47/12,760.03
  6. Step 6: Final answer
    x = 7,446.11

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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.