Home / 8,100.28-11,178.28-4,563.84

Finding the Fourth Proportional to 8,100.28, 11,178.28 and 4,563.84

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Solution

The fourth proportional to 8,100.28, 11,178.28 and 4,563.84 is: 6,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.28 : 11,178.28 = 4,563.84 : x
  2. Step 2: Convert to fraction form
    8,100.28/11,178.28 = 4,563.84/x
  3. Step 3: Cross multiply
    8,100.28x = 11,178.28 × 4,563.84
  4. Step 4: Simplify right side
    8,100.28x = 51,015,881.40
  5. Step 5: Solve for x
    x = 51,015,881.40/8,100.28
  6. Step 6: Final answer
    x = 6,298.04

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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.