Home / 9,863.56-13,611.19-5,386.44

Finding the Fourth Proportional to 9,863.56, 13,611.19 and 5,386.44

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Solution

The fourth proportional to 9,863.56, 13,611.19 and 5,386.44 is: 7,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.56 : 13,611.19 = 5,386.44 : x
  2. Step 2: Convert to fraction form
    9,863.56/13,611.19 = 5,386.44/x
  3. Step 3: Cross multiply
    9,863.56x = 13,611.19 × 5,386.44
  4. Step 4: Simplify right side
    9,863.56x = 73,315,858.26
  5. Step 5: Solve for x
    x = 73,315,858.26/9,863.56
  6. Step 6: Final answer
    x = 7,433.00

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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.