Home / 8,285.42-11,435.30-5,301.11

Finding the Fourth Proportional to 8,285.42, 11,435.30 and 5,301.11

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Solution

The fourth proportional to 8,285.42, 11,435.30 and 5,301.11 is: 7,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.42 : 11,435.30 = 5,301.11 : x
  2. Step 2: Convert to fraction form
    8,285.42/11,435.30 = 5,301.11/x
  3. Step 3: Cross multiply
    8,285.42x = 11,435.30 × 5,301.11
  4. Step 4: Simplify right side
    8,285.42x = 60,619,783.18
  5. Step 5: Solve for x
    x = 60,619,783.18/8,285.42
  6. Step 6: Final answer
    x = 7,316.44

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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.