Home / 11,931.85-16,466.70-6,896.98

Finding the Fourth Proportional to 11,931.85, 16,466.70 and 6,896.98

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Solution

The fourth proportional to 11,931.85, 16,466.70 and 6,896.98 is: 9,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.85 : 16,466.70 = 6,896.98 : x
  2. Step 2: Convert to fraction form
    11,931.85/16,466.70 = 6,896.98/x
  3. Step 3: Cross multiply
    11,931.85x = 16,466.70 × 6,896.98
  4. Step 4: Simplify right side
    11,931.85x = 113,570,500.57
  5. Step 5: Solve for x
    x = 113,570,500.57/11,931.85
  6. Step 6: Final answer
    x = 9,518.26

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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.