Home / 11,905.48-16,428.92-6,599.98

Finding the Fourth Proportional to 11,905.48, 16,428.92 and 6,599.98

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Solution

The fourth proportional to 11,905.48, 16,428.92 and 6,599.98 is: 9,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.48 : 16,428.92 = 6,599.98 : x
  2. Step 2: Convert to fraction form
    11,905.48/16,428.92 = 6,599.98/x
  3. Step 3: Cross multiply
    11,905.48x = 16,428.92 × 6,599.98
  4. Step 4: Simplify right side
    11,905.48x = 108,430,543.42
  5. Step 5: Solve for x
    x = 108,430,543.42/11,905.48
  6. Step 6: Final answer
    x = 9,107.62

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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.