Home / 11,397.60-17,091.24-4,820.40

Finding the Fourth Proportional to 11,397.60, 17,091.24 and 4,820.40

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Solution

The fourth proportional to 11,397.60, 17,091.24 and 4,820.40 is: 7,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.60 : 17,091.24 = 4,820.40 : x
  2. Step 2: Convert to fraction form
    11,397.60/17,091.24 = 4,820.40/x
  3. Step 3: Cross multiply
    11,397.60x = 17,091.24 × 4,820.40
  4. Step 4: Simplify right side
    11,397.60x = 82,386,613.30
  5. Step 5: Solve for x
    x = 82,386,613.30/11,397.60
  6. Step 6: Final answer
    x = 7,228.42

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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.