Home / 9,863.25-13,611.35-5,671.53

Finding the Fourth Proportional to 9,863.25, 13,611.35 and 5,671.53

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Solution

The fourth proportional to 9,863.25, 13,611.35 and 5,671.53 is: 7,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.25 : 13,611.35 = 5,671.53 : x
  2. Step 2: Convert to fraction form
    9,863.25/13,611.35 = 5,671.53/x
  3. Step 3: Cross multiply
    9,863.25x = 13,611.35 × 5,671.53
  4. Step 4: Simplify right side
    9,863.25x = 77,197,151.51
  5. Step 5: Solve for x
    x = 77,197,151.51/9,863.25
  6. Step 6: Final answer
    x = 7,826.75

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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.