Home / 9,863.08-13,611.15-5,386.96

Finding the Fourth Proportional to 9,863.08, 13,611.15 and 5,386.96

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Solution

The fourth proportional to 9,863.08, 13,611.15 and 5,386.96 is: 7,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.08 : 13,611.15 = 5,386.96 : x
  2. Step 2: Convert to fraction form
    9,863.08/13,611.15 = 5,386.96/x
  3. Step 3: Cross multiply
    9,863.08x = 13,611.15 × 5,386.96
  4. Step 4: Simplify right side
    9,863.08x = 73,322,720.60
  5. Step 5: Solve for x
    x = 73,322,720.60/9,863.08
  6. Step 6: Final answer
    x = 7,434.06

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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.