Home / 7,268.12-10,030.20-4,124.80

Finding the Fourth Proportional to 7,268.12, 10,030.20 and 4,124.80

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Solution

The fourth proportional to 7,268.12, 10,030.20 and 4,124.80 is: 5,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.12 : 10,030.20 = 4,124.80 : x
  2. Step 2: Convert to fraction form
    7,268.12/10,030.20 = 4,124.80/x
  3. Step 3: Cross multiply
    7,268.12x = 10,030.20 × 4,124.80
  4. Step 4: Simplify right side
    7,268.12x = 41,372,568.96
  5. Step 5: Solve for x
    x = 41,372,568.96/7,268.12
  6. Step 6: Final answer
    x = 5,692.33

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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.