Home / 7,315.09-10,094.82-4,129.06

Finding the Fourth Proportional to 7,315.09, 10,094.82 and 4,129.06

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Solution

The fourth proportional to 7,315.09, 10,094.82 and 4,129.06 is: 5,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.09 : 10,094.82 = 4,129.06 : x
  2. Step 2: Convert to fraction form
    7,315.09/10,094.82 = 4,129.06/x
  3. Step 3: Cross multiply
    7,315.09x = 10,094.82 × 4,129.06
  4. Step 4: Simplify right side
    7,315.09x = 41,682,107.29
  5. Step 5: Solve for x
    x = 41,682,107.29/7,315.09
  6. Step 6: Final answer
    x = 5,698.10

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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.