Home / 11,447.04-15,791.34-7,203.36

Finding the Fourth Proportional to 11,447.04, 15,791.34 and 7,203.36

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Solution

The fourth proportional to 11,447.04, 15,791.34 and 7,203.36 is: 9,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.04 : 15,791.34 = 7,203.36 : x
  2. Step 2: Convert to fraction form
    11,447.04/15,791.34 = 7,203.36/x
  3. Step 3: Cross multiply
    11,447.04x = 15,791.34 × 7,203.36
  4. Step 4: Simplify right side
    11,447.04x = 113,750,706.90
  5. Step 5: Solve for x
    x = 113,750,706.90/11,447.04
  6. Step 6: Final answer
    x = 9,937.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.