Home / 8,203.28-11,320.16-4,666.41

Finding the Fourth Proportional to 8,203.28, 11,320.16 and 4,666.41

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Solution

The fourth proportional to 8,203.28, 11,320.16 and 4,666.41 is: 6,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.28 : 11,320.16 = 4,666.41 : x
  2. Step 2: Convert to fraction form
    8,203.28/11,320.16 = 4,666.41/x
  3. Step 3: Cross multiply
    8,203.28x = 11,320.16 × 4,666.41
  4. Step 4: Simplify right side
    8,203.28x = 52,824,484.49
  5. Step 5: Solve for x
    x = 52,824,484.49/8,203.28
  6. Step 6: Final answer
    x = 6,439.44

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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.