Home / 9,062.21-13,587.68-2,820.44

Finding the Fourth Proportional to 9,062.21, 13,587.68 and 2,820.44

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Solution

The fourth proportional to 9,062.21, 13,587.68 and 2,820.44 is: 4,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.21 : 13,587.68 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    9,062.21/13,587.68 = 2,820.44/x
  3. Step 3: Cross multiply
    9,062.21x = 13,587.68 × 2,820.44
  4. Step 4: Simplify right side
    9,062.21x = 38,323,277.20
  5. Step 5: Solve for x
    x = 38,323,277.20/9,062.21
  6. Step 6: Final answer
    x = 4,228.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.