Home / 10,018.54-13,825.52-5,987.21

Finding the Fourth Proportional to 10,018.54, 13,825.52 and 5,987.21

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Solution

The fourth proportional to 10,018.54, 13,825.52 and 5,987.21 is: 8,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.54 : 13,825.52 = 5,987.21 : x
  2. Step 2: Convert to fraction form
    10,018.54/13,825.52 = 5,987.21/x
  3. Step 3: Cross multiply
    10,018.54x = 13,825.52 × 5,987.21
  4. Step 4: Simplify right side
    10,018.54x = 82,776,261.66
  5. Step 5: Solve for x
    x = 82,776,261.66/10,018.54
  6. Step 6: Final answer
    x = 8,262.31

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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.