Home / 8,630.12-12,961.58-5,366.01

Finding the Fourth Proportional to 8,630.12, 12,961.58 and 5,366.01

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Solution

The fourth proportional to 8,630.12, 12,961.58 and 5,366.01 is: 8,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.12 : 12,961.58 = 5,366.01 : x
  2. Step 2: Convert to fraction form
    8,630.12/12,961.58 = 5,366.01/x
  3. Step 3: Cross multiply
    8,630.12x = 12,961.58 × 5,366.01
  4. Step 4: Simplify right side
    8,630.12x = 69,551,941.07
  5. Step 5: Solve for x
    x = 69,551,941.07/8,630.12
  6. Step 6: Final answer
    x = 8,059.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.