Home / 9,274.02-12,791.37-6,756.90

Finding the Fourth Proportional to 9,274.02, 12,791.37 and 6,756.90

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Solution

The fourth proportional to 9,274.02, 12,791.37 and 6,756.90 is: 9,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,274.02 : 12,791.37 = 6,756.90 : x
  2. Step 2: Convert to fraction form
    9,274.02/12,791.37 = 6,756.90/x
  3. Step 3: Cross multiply
    9,274.02x = 12,791.37 × 6,756.90
  4. Step 4: Simplify right side
    9,274.02x = 86,430,007.95
  5. Step 5: Solve for x
    x = 86,430,007.95/9,274.02
  6. Step 6: Final answer
    x = 9,319.58

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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.