Home / 8,207.94-11,328.27-4,672.29

Finding the Fourth Proportional to 8,207.94, 11,328.27 and 4,672.29

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Solution

The fourth proportional to 8,207.94, 11,328.27 and 4,672.29 is: 6,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.94 : 11,328.27 = 4,672.29 : x
  2. Step 2: Convert to fraction form
    8,207.94/11,328.27 = 4,672.29/x
  3. Step 3: Cross multiply
    8,207.94x = 11,328.27 × 4,672.29
  4. Step 4: Simplify right side
    8,207.94x = 52,928,962.64
  5. Step 5: Solve for x
    x = 52,928,962.64/8,207.94
  6. Step 6: Final answer
    x = 6,448.51

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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.