Home / 13,094.75-18,076.95-8,381.77

Finding the Fourth Proportional to 13,094.75, 18,076.95 and 8,381.77

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Solution

The fourth proportional to 13,094.75, 18,076.95 and 8,381.77 is: 11,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.75 : 18,076.95 = 8,381.77 : x
  2. Step 2: Convert to fraction form
    13,094.75/18,076.95 = 8,381.77/x
  3. Step 3: Cross multiply
    13,094.75x = 18,076.95 × 8,381.77
  4. Step 4: Simplify right side
    13,094.75x = 151,516,792.01
  5. Step 5: Solve for x
    x = 151,516,792.01/13,094.75
  6. Step 6: Final answer
    x = 11,570.80

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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.