Home / 6,981.66-9,630.90-5,999.94

Finding the Fourth Proportional to 6,981.66, 9,630.90 and 5,999.94

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Solution

The fourth proportional to 6,981.66, 9,630.90 and 5,999.94 is: 8,276.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.66 : 9,630.90 = 5,999.94 : x
  2. Step 2: Convert to fraction form
    6,981.66/9,630.90 = 5,999.94/x
  3. Step 3: Cross multiply
    6,981.66x = 9,630.90 × 5,999.94
  4. Step 4: Simplify right side
    6,981.66x = 57,784,822.15
  5. Step 5: Solve for x
    x = 57,784,822.15/6,981.66
  6. Step 6: Final answer
    x = 8,276.66

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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.