Home / 11,941.95-16,479.41-6,636.45

Finding the Fourth Proportional to 11,941.95, 16,479.41 and 6,636.45

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Solution

The fourth proportional to 11,941.95, 16,479.41 and 6,636.45 is: 9,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.95 : 16,479.41 = 6,636.45 : x
  2. Step 2: Convert to fraction form
    11,941.95/16,479.41 = 6,636.45/x
  3. Step 3: Cross multiply
    11,941.95x = 16,479.41 × 6,636.45
  4. Step 4: Simplify right side
    11,941.95x = 109,364,747.31
  5. Step 5: Solve for x
    x = 109,364,747.31/11,941.95
  6. Step 6: Final answer
    x = 9,158.03

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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.