Home / 11,785.50-16,256.70-9,433.26

Finding the Fourth Proportional to 11,785.50, 16,256.70 and 9,433.26

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Solution

The fourth proportional to 11,785.50, 16,256.70 and 9,433.26 is: 13,012.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.50 : 16,256.70 = 9,433.26 : x
  2. Step 2: Convert to fraction form
    11,785.50/16,256.70 = 9,433.26/x
  3. Step 3: Cross multiply
    11,785.50x = 16,256.70 × 9,433.26
  4. Step 4: Simplify right side
    11,785.50x = 153,353,677.84
  5. Step 5: Solve for x
    x = 153,353,677.84/11,785.50
  6. Step 6: Final answer
    x = 13,012.06

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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.