Home / 8,173.80-11,254.40-6,844.60

Finding the Fourth Proportional to 8,173.80, 11,254.40 and 6,844.60

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Solution

The fourth proportional to 8,173.80, 11,254.40 and 6,844.60 is: 9,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.80 : 11,254.40 = 6,844.60 : x
  2. Step 2: Convert to fraction form
    8,173.80/11,254.40 = 6,844.60/x
  3. Step 3: Cross multiply
    8,173.80x = 11,254.40 × 6,844.60
  4. Step 4: Simplify right side
    8,173.80x = 77,031,866.24
  5. Step 5: Solve for x
    x = 77,031,866.24/8,173.80
  6. Step 6: Final answer
    x = 9,424.24

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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.