Home / 11,941.84-16,479.40-6,636.56

Finding the Fourth Proportional to 11,941.84, 16,479.40 and 6,636.56

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Solution

The fourth proportional to 11,941.84, 16,479.40 and 6,636.56 is: 9,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.84 : 16,479.40 = 6,636.56 : x
  2. Step 2: Convert to fraction form
    11,941.84/16,479.40 = 6,636.56/x
  3. Step 3: Cross multiply
    11,941.84x = 16,479.40 × 6,636.56
  4. Step 4: Simplify right side
    11,941.84x = 109,366,526.86
  5. Step 5: Solve for x
    x = 109,366,526.86/11,941.84
  6. Step 6: Final answer
    x = 9,158.26

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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.