Home / 12,784.08-19,176.16-4,464.04

Finding the Fourth Proportional to 12,784.08, 19,176.16 and 4,464.04

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Solution

The fourth proportional to 12,784.08, 19,176.16 and 4,464.04 is: 6,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.08 : 19,176.16 = 4,464.04 : x
  2. Step 2: Convert to fraction form
    12,784.08/19,176.16 = 4,464.04/x
  3. Step 3: Cross multiply
    12,784.08x = 19,176.16 × 4,464.04
  4. Step 4: Simplify right side
    12,784.08x = 85,603,145.29
  5. Step 5: Solve for x
    x = 85,603,145.29/12,784.08
  6. Step 6: Final answer
    x = 6,696.07

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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.