Home / 7,475.63-11,214.86-2,798.96

Finding the Fourth Proportional to 7,475.63, 11,214.86 and 2,798.96

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Solution

The fourth proportional to 7,475.63, 11,214.86 and 2,798.96 is: 4,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.63 : 11,214.86 = 2,798.96 : x
  2. Step 2: Convert to fraction form
    7,475.63/11,214.86 = 2,798.96/x
  3. Step 3: Cross multiply
    7,475.63x = 11,214.86 × 2,798.96
  4. Step 4: Simplify right side
    7,475.63x = 31,389,874.48
  5. Step 5: Solve for x
    x = 31,389,874.48/7,475.63
  6. Step 6: Final answer
    x = 4,198.96

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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.