Home / 9,257.52-12,771.75-5,479.31

Finding the Fourth Proportional to 9,257.52, 12,771.75 and 5,479.31

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Solution

The fourth proportional to 9,257.52, 12,771.75 and 5,479.31 is: 7,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.52 : 12,771.75 = 5,479.31 : x
  2. Step 2: Convert to fraction form
    9,257.52/12,771.75 = 5,479.31/x
  3. Step 3: Cross multiply
    9,257.52x = 12,771.75 × 5,479.31
  4. Step 4: Simplify right side
    9,257.52x = 69,980,429.97
  5. Step 5: Solve for x
    x = 69,980,429.97/9,257.52
  6. Step 6: Final answer
    x = 7,559.30

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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.