Home / 12,102.24-18,150.62-4,603.12

Finding the Fourth Proportional to 12,102.24, 18,150.62 and 4,603.12

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Solution

The fourth proportional to 12,102.24, 18,150.62 and 4,603.12 is: 6,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.24 : 18,150.62 = 4,603.12 : x
  2. Step 2: Convert to fraction form
    12,102.24/18,150.62 = 4,603.12/x
  3. Step 3: Cross multiply
    12,102.24x = 18,150.62 × 4,603.12
  4. Step 4: Simplify right side
    12,102.24x = 83,549,448.07
  5. Step 5: Solve for x
    x = 83,549,448.07/12,102.24
  6. Step 6: Final answer
    x = 6,903.64

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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.