Home / 12,360.75-17,058.56-7,057.23

Finding the Fourth Proportional to 12,360.75, 17,058.56 and 7,057.23

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Solution

The fourth proportional to 12,360.75, 17,058.56 and 7,057.23 is: 9,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.75 : 17,058.56 = 7,057.23 : x
  2. Step 2: Convert to fraction form
    12,360.75/17,058.56 = 7,057.23/x
  3. Step 3: Cross multiply
    12,360.75x = 17,058.56 × 7,057.23
  4. Step 4: Simplify right side
    12,360.75x = 120,386,146.10
  5. Step 5: Solve for x
    x = 120,386,146.10/12,360.75
  6. Step 6: Final answer
    x = 9,739.39

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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.