Home / 7,731.76-11,599.47-6,156.44

Finding the Fourth Proportional to 7,731.76, 11,599.47 and 6,156.44

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Solution

The fourth proportional to 7,731.76, 11,599.47 and 6,156.44 is: 9,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.76 : 11,599.47 = 6,156.44 : x
  2. Step 2: Convert to fraction form
    7,731.76/11,599.47 = 6,156.44/x
  3. Step 3: Cross multiply
    7,731.76x = 11,599.47 × 6,156.44
  4. Step 4: Simplify right side
    7,731.76x = 71,411,383.09
  5. Step 5: Solve for x
    x = 71,411,383.09/7,731.76
  6. Step 6: Final answer
    x = 9,236.11

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1.5x scale

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.