Home / 7,078.24-10,615.20-4,626.10

Finding the Fourth Proportional to 7,078.24, 10,615.20 and 4,626.10

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Solution

The fourth proportional to 7,078.24, 10,615.20 and 4,626.10 is: 6,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.24 : 10,615.20 = 4,626.10 : x
  2. Step 2: Convert to fraction form
    7,078.24/10,615.20 = 4,626.10/x
  3. Step 3: Cross multiply
    7,078.24x = 10,615.20 × 4,626.10
  4. Step 4: Simplify right side
    7,078.24x = 49,106,976.72
  5. Step 5: Solve for x
    x = 49,106,976.72/7,078.24
  6. Step 6: Final answer
    x = 6,937.74

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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.