Home / 13,161.10-19,724.36-6,237.58

Finding the Fourth Proportional to 13,161.10, 19,724.36 and 6,237.58

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Solution

The fourth proportional to 13,161.10, 19,724.36 and 6,237.58 is: 9,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.10 : 19,724.36 = 6,237.58 : x
  2. Step 2: Convert to fraction form
    13,161.10/19,724.36 = 6,237.58/x
  3. Step 3: Cross multiply
    13,161.10x = 19,724.36 × 6,237.58
  4. Step 4: Simplify right side
    13,161.10x = 123,032,273.45
  5. Step 5: Solve for x
    x = 123,032,273.45/13,161.10
  6. Step 6: Final answer
    x = 9,348.18

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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.