Home / 7,410.16-11,120.04-3,518.96

Finding the Fourth Proportional to 7,410.16, 11,120.04 and 3,518.96

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Solution

The fourth proportional to 7,410.16, 11,120.04 and 3,518.96 is: 5,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.16 : 11,120.04 = 3,518.96 : x
  2. Step 2: Convert to fraction form
    7,410.16/11,120.04 = 3,518.96/x
  3. Step 3: Cross multiply
    7,410.16x = 11,120.04 × 3,518.96
  4. Step 4: Simplify right side
    7,410.16x = 39,130,975.96
  5. Step 5: Solve for x
    x = 39,130,975.96/7,410.16
  6. Step 6: Final answer
    x = 5,280.72

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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.