Home / 13,348.63-18,407.41-8,042.46

Finding the Fourth Proportional to 13,348.63, 18,407.41 and 8,042.46

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Solution

The fourth proportional to 13,348.63, 18,407.41 and 8,042.46 is: 11,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.63 : 18,407.41 = 8,042.46 : x
  2. Step 2: Convert to fraction form
    13,348.63/18,407.41 = 8,042.46/x
  3. Step 3: Cross multiply
    13,348.63x = 18,407.41 × 8,042.46
  4. Step 4: Simplify right side
    13,348.63x = 148,040,858.63
  5. Step 5: Solve for x
    x = 148,040,858.63/13,348.63
  6. Step 6: Final answer
    x = 11,090.34

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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.