Home / 11,616.91-16,031.69-6,581.85

Finding the Fourth Proportional to 11,616.91, 16,031.69 and 6,581.85

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Solution

The fourth proportional to 11,616.91, 16,031.69 and 6,581.85 is: 9,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.91 : 16,031.69 = 6,581.85 : x
  2. Step 2: Convert to fraction form
    11,616.91/16,031.69 = 6,581.85/x
  3. Step 3: Cross multiply
    11,616.91x = 16,031.69 × 6,581.85
  4. Step 4: Simplify right side
    11,616.91x = 105,518,178.83
  5. Step 5: Solve for x
    x = 105,518,178.83/11,616.91
  6. Step 6: Final answer
    x = 9,083.15

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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.