Home / 13,077.74-18,052.52-8,043.99

Finding the Fourth Proportional to 13,077.74, 18,052.52 and 8,043.99

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Solution

The fourth proportional to 13,077.74, 18,052.52 and 8,043.99 is: 11,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.74 : 18,052.52 = 8,043.99 : x
  2. Step 2: Convert to fraction form
    13,077.74/18,052.52 = 8,043.99/x
  3. Step 3: Cross multiply
    13,077.74x = 18,052.52 × 8,043.99
  4. Step 4: Simplify right side
    13,077.74x = 145,214,250.13
  5. Step 5: Solve for x
    x = 145,214,250.13/13,077.74
  6. Step 6: Final answer
    x = 11,103.93

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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.