Home / 11,941.74-16,486.47-7,975.98

Finding the Fourth Proportional to 11,941.74, 16,486.47 and 7,975.98

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Solution

The fourth proportional to 11,941.74, 16,486.47 and 7,975.98 is: 11,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.74 : 16,486.47 = 7,975.98 : x
  2. Step 2: Convert to fraction form
    11,941.74/16,486.47 = 7,975.98/x
  3. Step 3: Cross multiply
    11,941.74x = 16,486.47 × 7,975.98
  4. Step 4: Simplify right side
    11,941.74x = 131,495,754.99
  5. Step 5: Solve for x
    x = 131,495,754.99/11,941.74
  6. Step 6: Final answer
    x = 11,011.44

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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.