Home / 6,972.04-9,619.54-4,137.06

Finding the Fourth Proportional to 6,972.04, 9,619.54 and 4,137.06

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Solution

The fourth proportional to 6,972.04, 9,619.54 and 4,137.06 is: 5,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.04 : 9,619.54 = 4,137.06 : x
  2. Step 2: Convert to fraction form
    6,972.04/9,619.54 = 4,137.06/x
  3. Step 3: Cross multiply
    6,972.04x = 9,619.54 × 4,137.06
  4. Step 4: Simplify right side
    6,972.04x = 39,796,614.15
  5. Step 5: Solve for x
    x = 39,796,614.15/6,972.04
  6. Step 6: Final answer
    x = 5,708.03

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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.