Home / 10,481.58-15,725.07-3,085.74

Finding the Fourth Proportional to 10,481.58, 15,725.07 and 3,085.74

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Solution

The fourth proportional to 10,481.58, 15,725.07 and 3,085.74 is: 4,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.58 : 15,725.07 = 3,085.74 : x
  2. Step 2: Convert to fraction form
    10,481.58/15,725.07 = 3,085.74/x
  3. Step 3: Cross multiply
    10,481.58x = 15,725.07 × 3,085.74
  4. Step 4: Simplify right side
    10,481.58x = 48,523,477.50
  5. Step 5: Solve for x
    x = 48,523,477.50/10,481.58
  6. Step 6: Final answer
    x = 4,629.40

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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.