Home / 13,079.46-19,605.42-4,312.02

Finding the Fourth Proportional to 13,079.46, 19,605.42 and 4,312.02

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Solution

The fourth proportional to 13,079.46, 19,605.42 and 4,312.02 is: 6,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.46 : 19,605.42 = 4,312.02 : x
  2. Step 2: Convert to fraction form
    13,079.46/19,605.42 = 4,312.02/x
  3. Step 3: Cross multiply
    13,079.46x = 19,605.42 × 4,312.02
  4. Step 4: Simplify right side
    13,079.46x = 84,538,963.15
  5. Step 5: Solve for x
    x = 84,538,963.15/13,079.46
  6. Step 6: Final answer
    x = 6,463.49

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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.