Home / 11,853.54-17,780.31-3,533.52

Finding the Fourth Proportional to 11,853.54, 17,780.31 and 3,533.52

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Solution

The fourth proportional to 11,853.54, 17,780.31 and 3,533.52 is: 5,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.54 : 17,780.31 = 3,533.52 : x
  2. Step 2: Convert to fraction form
    11,853.54/17,780.31 = 3,533.52/x
  3. Step 3: Cross multiply
    11,853.54x = 17,780.31 × 3,533.52
  4. Step 4: Simplify right side
    11,853.54x = 62,827,147.67
  5. Step 5: Solve for x
    x = 62,827,147.67/11,853.54
  6. Step 6: Final answer
    x = 5,300.29

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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.