Home / 8,495.02-11,723.38-5,138.45

Finding the Fourth Proportional to 8,495.02, 11,723.38 and 5,138.45

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Solution

The fourth proportional to 8,495.02, 11,723.38 and 5,138.45 is: 7,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.02 : 11,723.38 = 5,138.45 : x
  2. Step 2: Convert to fraction form
    8,495.02/11,723.38 = 5,138.45/x
  3. Step 3: Cross multiply
    8,495.02x = 11,723.38 × 5,138.45
  4. Step 4: Simplify right side
    8,495.02x = 60,240,003.36
  5. Step 5: Solve for x
    x = 60,240,003.36/8,495.02
  6. Step 6: Final answer
    x = 7,091.21

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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.