Home / 11,818.24-16,308.77-6,513.05

Finding the Fourth Proportional to 11,818.24, 16,308.77 and 6,513.05

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Solution

The fourth proportional to 11,818.24, 16,308.77 and 6,513.05 is: 8,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.24 : 16,308.77 = 6,513.05 : x
  2. Step 2: Convert to fraction form
    11,818.24/16,308.77 = 6,513.05/x
  3. Step 3: Cross multiply
    11,818.24x = 16,308.77 × 6,513.05
  4. Step 4: Simplify right side
    11,818.24x = 106,219,842.66
  5. Step 5: Solve for x
    x = 106,219,842.66/11,818.24
  6. Step 6: Final answer
    x = 8,987.79

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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.