Home / 6,911.17-10,359.61-3,210.38

Finding the Fourth Proportional to 6,911.17, 10,359.61 and 3,210.38

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Solution

The fourth proportional to 6,911.17, 10,359.61 and 3,210.38 is: 4,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.17 : 10,359.61 = 3,210.38 : x
  2. Step 2: Convert to fraction form
    6,911.17/10,359.61 = 3,210.38/x
  3. Step 3: Cross multiply
    6,911.17x = 10,359.61 × 3,210.38
  4. Step 4: Simplify right side
    6,911.17x = 33,258,284.75
  5. Step 5: Solve for x
    x = 33,258,284.75/6,911.17
  6. Step 6: Final answer
    x = 4,812.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.