Home / 6,859.13-9,465.66-3,715.38

Finding the Fourth Proportional to 6,859.13, 9,465.66 and 3,715.38

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Solution

The fourth proportional to 6,859.13, 9,465.66 and 3,715.38 is: 5,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.13 : 9,465.66 = 3,715.38 : x
  2. Step 2: Convert to fraction form
    6,859.13/9,465.66 = 3,715.38/x
  3. Step 3: Cross multiply
    6,859.13x = 9,465.66 × 3,715.38
  4. Step 4: Simplify right side
    6,859.13x = 35,168,523.85
  5. Step 5: Solve for x
    x = 35,168,523.85/6,859.13
  6. Step 6: Final answer
    x = 5,127.26

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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.