Home / 11,966.94-16,515.09-6,929.55

Finding the Fourth Proportional to 11,966.94, 16,515.09 and 6,929.55

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Solution

The fourth proportional to 11,966.94, 16,515.09 and 6,929.55 is: 9,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.94 : 16,515.09 = 6,929.55 : x
  2. Step 2: Convert to fraction form
    11,966.94/16,515.09 = 6,929.55/x
  3. Step 3: Cross multiply
    11,966.94x = 16,515.09 × 6,929.55
  4. Step 4: Simplify right side
    11,966.94x = 114,442,141.91
  5. Step 5: Solve for x
    x = 114,442,141.91/11,966.94
  6. Step 6: Final answer
    x = 9,563.19

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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.