Home / 9,208.02-12,707.36-5,175.56

Finding the Fourth Proportional to 9,208.02, 12,707.36 and 5,175.56

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Solution

The fourth proportional to 9,208.02, 12,707.36 and 5,175.56 is: 7,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.02 : 12,707.36 = 5,175.56 : x
  2. Step 2: Convert to fraction form
    9,208.02/12,707.36 = 5,175.56/x
  3. Step 3: Cross multiply
    9,208.02x = 12,707.36 × 5,175.56
  4. Step 4: Simplify right side
    9,208.02x = 65,767,704.12
  5. Step 5: Solve for x
    x = 65,767,704.12/9,208.02
  6. Step 6: Final answer
    x = 7,142.44

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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.