Home / 13,112.01-19,668.15-4,791.96

Finding the Fourth Proportional to 13,112.01, 19,668.15 and 4,791.96

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Solution

The fourth proportional to 13,112.01, 19,668.15 and 4,791.96 is: 7,187.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.01 : 19,668.15 = 4,791.96 : x
  2. Step 2: Convert to fraction form
    13,112.01/19,668.15 = 4,791.96/x
  3. Step 3: Cross multiply
    13,112.01x = 19,668.15 × 4,791.96
  4. Step 4: Simplify right side
    13,112.01x = 94,248,988.07
  5. Step 5: Solve for x
    x = 94,248,988.07/13,112.01
  6. Step 6: Final answer
    x = 7,187.99

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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.