Home / 7,015.45-10,512.24-3,316.99

Finding the Fourth Proportional to 7,015.45, 10,512.24 and 3,316.99

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Solution

The fourth proportional to 7,015.45, 10,512.24 and 3,316.99 is: 4,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.45 : 10,512.24 = 3,316.99 : x
  2. Step 2: Convert to fraction form
    7,015.45/10,512.24 = 3,316.99/x
  3. Step 3: Cross multiply
    7,015.45x = 10,512.24 × 3,316.99
  4. Step 4: Simplify right side
    7,015.45x = 34,868,994.96
  5. Step 5: Solve for x
    x = 34,868,994.96/7,015.45
  6. Step 6: Final answer
    x = 4,970.31

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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.