Home / 7,963.04-10,989.37-4,426.31

Finding the Fourth Proportional to 7,963.04, 10,989.37 and 4,426.31

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Solution

The fourth proportional to 7,963.04, 10,989.37 and 4,426.31 is: 6,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.04 : 10,989.37 = 4,426.31 : x
  2. Step 2: Convert to fraction form
    7,963.04/10,989.37 = 4,426.31/x
  3. Step 3: Cross multiply
    7,963.04x = 10,989.37 × 4,426.31
  4. Step 4: Simplify right side
    7,963.04x = 48,642,391.33
  5. Step 5: Solve for x
    x = 48,642,391.33/7,963.04
  6. Step 6: Final answer
    x = 6,108.52

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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.