Home / 13,112.46-19,651.17-4,784.66

Finding the Fourth Proportional to 13,112.46, 19,651.17 and 4,784.66

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Solution

The fourth proportional to 13,112.46, 19,651.17 and 4,784.66 is: 7,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.46 : 19,651.17 = 4,784.66 : x
  2. Step 2: Convert to fraction form
    13,112.46/19,651.17 = 4,784.66/x
  3. Step 3: Cross multiply
    13,112.46x = 19,651.17 × 4,784.66
  4. Step 4: Simplify right side
    13,112.46x = 94,024,068.80
  5. Step 5: Solve for x
    x = 94,024,068.80/13,112.46
  6. Step 6: Final answer
    x = 7,170.59

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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.