Home / 7,543.44-11,315.34-4,445.20

Finding the Fourth Proportional to 7,543.44, 11,315.34 and 4,445.20

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Solution

The fourth proportional to 7,543.44, 11,315.34 and 4,445.20 is: 6,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.44 : 11,315.34 = 4,445.20 : x
  2. Step 2: Convert to fraction form
    7,543.44/11,315.34 = 4,445.20/x
  3. Step 3: Cross multiply
    7,543.44x = 11,315.34 × 4,445.20
  4. Step 4: Simplify right side
    7,543.44x = 50,298,949.37
  5. Step 5: Solve for x
    x = 50,298,949.37/7,543.44
  6. Step 6: Final answer
    x = 6,667.91

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Double scale
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Similar ratio
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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.