Home / 7,620.03-10,516.23-4,434.30

Finding the Fourth Proportional to 7,620.03, 10,516.23 and 4,434.30

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Solution

The fourth proportional to 7,620.03, 10,516.23 and 4,434.30 is: 6,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.03 : 10,516.23 = 4,434.30 : x
  2. Step 2: Convert to fraction form
    7,620.03/10,516.23 = 4,434.30/x
  3. Step 3: Cross multiply
    7,620.03x = 10,516.23 × 4,434.30
  4. Step 4: Simplify right side
    7,620.03x = 46,632,118.69
  5. Step 5: Solve for x
    x = 46,632,118.69/7,620.03
  6. Step 6: Final answer
    x = 6,119.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.