Home / 7,415.07-10,229.70-4,862.13

Finding the Fourth Proportional to 7,415.07, 10,229.70 and 4,862.13

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Solution

The fourth proportional to 7,415.07, 10,229.70 and 4,862.13 is: 6,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.07 : 10,229.70 = 4,862.13 : x
  2. Step 2: Convert to fraction form
    7,415.07/10,229.70 = 4,862.13/x
  3. Step 3: Cross multiply
    7,415.07x = 10,229.70 × 4,862.13
  4. Step 4: Simplify right side
    7,415.07x = 49,738,131.26
  5. Step 5: Solve for x
    x = 49,738,131.26/7,415.07
  6. Step 6: Final answer
    x = 6,707.71

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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.