Home / 6,865.17-9,473.95-3,721.36

Finding the Fourth Proportional to 6,865.17, 9,473.95 and 3,721.36

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Solution

The fourth proportional to 6,865.17, 9,473.95 and 3,721.36 is: 5,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.17 : 9,473.95 = 3,721.36 : x
  2. Step 2: Convert to fraction form
    6,865.17/9,473.95 = 3,721.36/x
  3. Step 3: Cross multiply
    6,865.17x = 9,473.95 × 3,721.36
  4. Step 4: Simplify right side
    6,865.17x = 35,255,993.16
  5. Step 5: Solve for x
    x = 35,255,993.16/6,865.17
  6. Step 6: Final answer
    x = 5,135.49

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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.