Home / 7,427.63-11,142.36-2,746.85

Finding the Fourth Proportional to 7,427.63, 11,142.36 and 2,746.85

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Solution

The fourth proportional to 7,427.63, 11,142.36 and 2,746.85 is: 4,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.63 : 11,142.36 = 2,746.85 : x
  2. Step 2: Convert to fraction form
    7,427.63/11,142.36 = 2,746.85/x
  3. Step 3: Cross multiply
    7,427.63x = 11,142.36 × 2,746.85
  4. Step 4: Simplify right side
    7,427.63x = 30,606,335.85
  5. Step 5: Solve for x
    x = 30,606,335.85/7,427.63
  6. Step 6: Final answer
    x = 4,120.60

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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.