Home / 11,115.40-16,673.10-4,454.93

Finding the Fourth Proportional to 11,115.40, 16,673.10 and 4,454.93

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Solution

The fourth proportional to 11,115.40, 16,673.10 and 4,454.93 is: 6,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.40 : 16,673.10 = 4,454.93 : x
  2. Step 2: Convert to fraction form
    11,115.40/16,673.10 = 4,454.93/x
  3. Step 3: Cross multiply
    11,115.40x = 16,673.10 × 4,454.93
  4. Step 4: Simplify right side
    11,115.40x = 74,277,493.38
  5. Step 5: Solve for x
    x = 74,277,493.38/11,115.40
  6. Step 6: Final answer
    x = 6,682.40

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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.