Home / 8,070.40-11,137.80-4,534.48

Finding the Fourth Proportional to 8,070.40, 11,137.80 and 4,534.48

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Solution

The fourth proportional to 8,070.40, 11,137.80 and 4,534.48 is: 6,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.40 : 11,137.80 = 4,534.48 : x
  2. Step 2: Convert to fraction form
    8,070.40/11,137.80 = 4,534.48/x
  3. Step 3: Cross multiply
    8,070.40x = 11,137.80 × 4,534.48
  4. Step 4: Simplify right side
    8,070.40x = 50,504,131.34
  5. Step 5: Solve for x
    x = 50,504,131.34/8,070.40
  6. Step 6: Final answer
    x = 6,257.95

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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.