Home / 8,907.27-12,290.12-5,370.41

Finding the Fourth Proportional to 8,907.27, 12,290.12 and 5,370.41

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Solution

The fourth proportional to 8,907.27, 12,290.12 and 5,370.41 is: 7,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.27 : 12,290.12 = 5,370.41 : x
  2. Step 2: Convert to fraction form
    8,907.27/12,290.12 = 5,370.41/x
  3. Step 3: Cross multiply
    8,907.27x = 12,290.12 × 5,370.41
  4. Step 4: Simplify right side
    8,907.27x = 66,002,938.23
  5. Step 5: Solve for x
    x = 66,002,938.23/8,907.27
  6. Step 6: Final answer
    x = 7,410.01

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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.