Home / 12,371.41-17,072.16-7,065.19

Finding the Fourth Proportional to 12,371.41, 17,072.16 and 7,065.19

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Solution

The fourth proportional to 12,371.41, 17,072.16 and 7,065.19 is: 9,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.41 : 17,072.16 = 7,065.19 : x
  2. Step 2: Convert to fraction form
    12,371.41/17,072.16 = 7,065.19/x
  3. Step 3: Cross multiply
    12,371.41x = 17,072.16 × 7,065.19
  4. Step 4: Simplify right side
    12,371.41x = 120,618,054.11
  5. Step 5: Solve for x
    x = 120,618,054.11/12,371.41
  6. Step 6: Final answer
    x = 9,749.74

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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.