Home / 9,150.98-12,628.34-4,959.23

Finding the Fourth Proportional to 9,150.98, 12,628.34 and 4,959.23

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Solution

The fourth proportional to 9,150.98, 12,628.34 and 4,959.23 is: 6,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.98 : 12,628.34 = 4,959.23 : x
  2. Step 2: Convert to fraction form
    9,150.98/12,628.34 = 4,959.23/x
  3. Step 3: Cross multiply
    9,150.98x = 12,628.34 × 4,959.23
  4. Step 4: Simplify right side
    9,150.98x = 62,626,842.58
  5. Step 5: Solve for x
    x = 62,626,842.58/9,150.98
  6. Step 6: Final answer
    x = 6,843.73

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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.