Home / 9,008.07-13,479.21-5,485.23

Finding the Fourth Proportional to 9,008.07, 13,479.21 and 5,485.23

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Solution

The fourth proportional to 9,008.07, 13,479.21 and 5,485.23 is: 8,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.07 : 13,479.21 = 5,485.23 : x
  2. Step 2: Convert to fraction form
    9,008.07/13,479.21 = 5,485.23/x
  3. Step 3: Cross multiply
    9,008.07x = 13,479.21 × 5,485.23
  4. Step 4: Simplify right side
    9,008.07x = 73,936,567.07
  5. Step 5: Solve for x
    x = 73,936,567.07/9,008.07
  6. Step 6: Final answer
    x = 8,207.81

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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.