Home / 12,791.44-19,187.51-4,897.74

Finding the Fourth Proportional to 12,791.44, 19,187.51 and 4,897.74

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Solution

The fourth proportional to 12,791.44, 19,187.51 and 4,897.74 is: 7,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.44 : 19,187.51 = 4,897.74 : x
  2. Step 2: Convert to fraction form
    12,791.44/19,187.51 = 4,897.74/x
  3. Step 3: Cross multiply
    12,791.44x = 19,187.51 × 4,897.74
  4. Step 4: Simplify right side
    12,791.44x = 93,975,442.50
  5. Step 5: Solve for x
    x = 93,975,442.50/12,791.44
  6. Step 6: Final answer
    x = 7,346.74

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1.5x scale

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.