Home / 7,042.14-9,716.97-4,210.66

Finding the Fourth Proportional to 7,042.14, 9,716.97 and 4,210.66

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Solution

The fourth proportional to 7,042.14, 9,716.97 and 4,210.66 is: 5,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.14 : 9,716.97 = 4,210.66 : x
  2. Step 2: Convert to fraction form
    7,042.14/9,716.97 = 4,210.66/x
  3. Step 3: Cross multiply
    7,042.14x = 9,716.97 × 4,210.66
  4. Step 4: Simplify right side
    7,042.14x = 40,914,884.84
  5. Step 5: Solve for x
    x = 40,914,884.84/7,042.14
  6. Step 6: Final answer
    x = 5,810.01

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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.