Home / 10,863.07-14,987.36-6,883.61

Finding the Fourth Proportional to 10,863.07, 14,987.36 and 6,883.61

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Solution

The fourth proportional to 10,863.07, 14,987.36 and 6,883.61 is: 9,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.07 : 14,987.36 = 6,883.61 : x
  2. Step 2: Convert to fraction form
    10,863.07/14,987.36 = 6,883.61/x
  3. Step 3: Cross multiply
    10,863.07x = 14,987.36 × 6,883.61
  4. Step 4: Simplify right side
    10,863.07x = 103,167,083.44
  5. Step 5: Solve for x
    x = 103,167,083.44/10,863.07
  6. Step 6: Final answer
    x = 9,497.05

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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.