Home / 12,327.12-18,482.04-5,749.38

Finding the Fourth Proportional to 12,327.12, 18,482.04 and 5,749.38

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Solution

The fourth proportional to 12,327.12, 18,482.04 and 5,749.38 is: 8,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.12 : 18,482.04 = 5,749.38 : x
  2. Step 2: Convert to fraction form
    12,327.12/18,482.04 = 5,749.38/x
  3. Step 3: Cross multiply
    12,327.12x = 18,482.04 × 5,749.38
  4. Step 4: Simplify right side
    12,327.12x = 106,260,271.14
  5. Step 5: Solve for x
    x = 106,260,271.14/12,327.12
  6. Step 6: Final answer
    x = 8,620.04

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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.