Home / 12,386.02-17,092.74-7,080.97

Finding the Fourth Proportional to 12,386.02, 17,092.74 and 7,080.97

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Solution

The fourth proportional to 12,386.02, 17,092.74 and 7,080.97 is: 9,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.02 : 17,092.74 = 7,080.97 : x
  2. Step 2: Convert to fraction form
    12,386.02/17,092.74 = 7,080.97/x
  3. Step 3: Cross multiply
    12,386.02x = 17,092.74 × 7,080.97
  4. Step 4: Simplify right side
    12,386.02x = 121,033,179.16
  5. Step 5: Solve for x
    x = 121,033,179.16/12,386.02
  6. Step 6: Final answer
    x = 9,771.76

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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.