Home / 7,963.44-10,988.32-4,426.64

Finding the Fourth Proportional to 7,963.44, 10,988.32 and 4,426.64

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Solution

The fourth proportional to 7,963.44, 10,988.32 and 4,426.64 is: 6,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.44 : 10,988.32 = 4,426.64 : x
  2. Step 2: Convert to fraction form
    7,963.44/10,988.32 = 4,426.64/x
  3. Step 3: Cross multiply
    7,963.44x = 10,988.32 × 4,426.64
  4. Step 4: Simplify right side
    7,963.44x = 48,641,336.84
  5. Step 5: Solve for x
    x = 48,641,336.84/7,963.44
  6. Step 6: Final answer
    x = 6,108.08

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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.