Home / 8,077.08-12,117.60-3,397.44

Finding the Fourth Proportional to 8,077.08, 12,117.60 and 3,397.44

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Solution

The fourth proportional to 8,077.08, 12,117.60 and 3,397.44 is: 5,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.08 : 12,117.60 = 3,397.44 : x
  2. Step 2: Convert to fraction form
    8,077.08/12,117.60 = 3,397.44/x
  3. Step 3: Cross multiply
    8,077.08x = 12,117.60 × 3,397.44
  4. Step 4: Simplify right side
    8,077.08x = 41,168,818.94
  5. Step 5: Solve for x
    x = 41,168,818.94/8,077.08
  6. Step 6: Final answer
    x = 5,096.99

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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.