Home / 10,497.96-15,749.25-3,480.15

Finding the Fourth Proportional to 10,497.96, 15,749.25 and 3,480.15

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Solution

The fourth proportional to 10,497.96, 15,749.25 and 3,480.15 is: 5,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.96 : 15,749.25 = 3,480.15 : x
  2. Step 2: Convert to fraction form
    10,497.96/15,749.25 = 3,480.15/x
  3. Step 3: Cross multiply
    10,497.96x = 15,749.25 × 3,480.15
  4. Step 4: Simplify right side
    10,497.96x = 54,809,752.39
  5. Step 5: Solve for x
    x = 54,809,752.39/10,497.96
  6. Step 6: Final answer
    x = 5,220.99

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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.