Home / 6,858.99-9,465.39-3,715.18

Finding the Fourth Proportional to 6,858.99, 9,465.39 and 3,715.18

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Solution

The fourth proportional to 6,858.99, 9,465.39 and 3,715.18 is: 5,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.99 : 9,465.39 = 3,715.18 : x
  2. Step 2: Convert to fraction form
    6,858.99/9,465.39 = 3,715.18/x
  3. Step 3: Cross multiply
    6,858.99x = 9,465.39 × 3,715.18
  4. Step 4: Simplify right side
    6,858.99x = 35,165,603.96
  5. Step 5: Solve for x
    x = 35,165,603.96/6,858.99
  6. Step 6: Final answer
    x = 5,126.94

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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.