Home / 12,017.15-18,015.29-5,774.03

Finding the Fourth Proportional to 12,017.15, 18,015.29 and 5,774.03

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Solution

The fourth proportional to 12,017.15, 18,015.29 and 5,774.03 is: 8,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.15 : 18,015.29 = 5,774.03 : x
  2. Step 2: Convert to fraction form
    12,017.15/18,015.29 = 5,774.03/x
  3. Step 3: Cross multiply
    12,017.15x = 18,015.29 × 5,774.03
  4. Step 4: Simplify right side
    12,017.15x = 104,020,796.05
  5. Step 5: Solve for x
    x = 104,020,796.05/12,017.15
  6. Step 6: Final answer
    x = 8,656.03

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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.