Home / 7,475.49-11,215.78-4,698.91

Finding the Fourth Proportional to 7,475.49, 11,215.78 and 4,698.91

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Solution

The fourth proportional to 7,475.49, 11,215.78 and 4,698.91 is: 7,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.49 : 11,215.78 = 4,698.91 : x
  2. Step 2: Convert to fraction form
    7,475.49/11,215.78 = 4,698.91/x
  3. Step 3: Cross multiply
    7,475.49x = 11,215.78 × 4,698.91
  4. Step 4: Simplify right side
    7,475.49x = 52,701,969.50
  5. Step 5: Solve for x
    x = 52,701,969.50/7,475.49
  6. Step 6: Final answer
    x = 7,049.97

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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.