Home / 11,904.96-16,426.08-8,184

Finding the Fourth Proportional to 11,904.96, 16,426.08 and 8,184

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Solution

The fourth proportional to 11,904.96, 16,426.08 and 8,184 is: 11,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.96 : 16,426.08 = 8,184 : x
  2. Step 2: Convert to fraction form
    11,904.96/16,426.08 = 8,184/x
  3. Step 3: Cross multiply
    11,904.96x = 16,426.08 × 8,184
  4. Step 4: Simplify right side
    11,904.96x = 134,431,038.72
  5. Step 5: Solve for x
    x = 134,431,038.72/11,904.96
  6. Step 6: Final answer
    x = 11,292.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.