Home / 12,864.69-19,298.43-4,097.58

Finding the Fourth Proportional to 12,864.69, 19,298.43 and 4,097.58

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Solution

The fourth proportional to 12,864.69, 19,298.43 and 4,097.58 is: 6,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.69 : 19,298.43 = 4,097.58 : x
  2. Step 2: Convert to fraction form
    12,864.69/19,298.43 = 4,097.58/x
  3. Step 3: Cross multiply
    12,864.69x = 19,298.43 × 4,097.58
  4. Step 4: Simplify right side
    12,864.69x = 79,076,860.80
  5. Step 5: Solve for x
    x = 79,076,860.80/12,864.69
  6. Step 6: Final answer
    x = 6,146.81

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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.