Home / 8,285.68-11,434.51-4,749.56

Finding the Fourth Proportional to 8,285.68, 11,434.51 and 4,749.56

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Solution

The fourth proportional to 8,285.68, 11,434.51 and 4,749.56 is: 6,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.68 : 11,434.51 = 4,749.56 : x
  2. Step 2: Convert to fraction form
    8,285.68/11,434.51 = 4,749.56/x
  3. Step 3: Cross multiply
    8,285.68x = 11,434.51 × 4,749.56
  4. Step 4: Simplify right side
    8,285.68x = 54,308,891.32
  5. Step 5: Solve for x
    x = 54,308,891.32/8,285.68
  6. Step 6: Final answer
    x = 6,554.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.