Home / 11,614.61-16,027.69-6,578.90

Finding the Fourth Proportional to 11,614.61, 16,027.69 and 6,578.90

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Solution

The fourth proportional to 11,614.61, 16,027.69 and 6,578.90 is: 9,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.61 : 16,027.69 = 6,578.90 : x
  2. Step 2: Convert to fraction form
    11,614.61/16,027.69 = 6,578.90/x
  3. Step 3: Cross multiply
    11,614.61x = 16,027.69 × 6,578.90
  4. Step 4: Simplify right side
    11,614.61x = 105,444,473.16
  5. Step 5: Solve for x
    x = 105,444,473.16/11,614.61
  6. Step 6: Final answer
    x = 9,078.60

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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.