Home / 10,205.72-15,308.55-3,632.16

Finding the Fourth Proportional to 10,205.72, 15,308.55 and 3,632.16

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Solution

The fourth proportional to 10,205.72, 15,308.55 and 3,632.16 is: 5,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.72 : 15,308.55 = 3,632.16 : x
  2. Step 2: Convert to fraction form
    10,205.72/15,308.55 = 3,632.16/x
  3. Step 3: Cross multiply
    10,205.72x = 15,308.55 × 3,632.16
  4. Step 4: Simplify right side
    10,205.72x = 55,603,102.97
  5. Step 5: Solve for x
    x = 55,603,102.97/10,205.72
  6. Step 6: Final answer
    x = 5,448.23

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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.