Home / 12,606.03-18,906.75-6,364.58

Finding the Fourth Proportional to 12,606.03, 18,906.75 and 6,364.58

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Solution

The fourth proportional to 12,606.03, 18,906.75 and 6,364.58 is: 9,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.03 : 18,906.75 = 6,364.58 : x
  2. Step 2: Convert to fraction form
    12,606.03/18,906.75 = 6,364.58/x
  3. Step 3: Cross multiply
    12,606.03x = 18,906.75 × 6,364.58
  4. Step 4: Simplify right side
    12,606.03x = 120,333,428.38
  5. Step 5: Solve for x
    x = 120,333,428.38/12,606.03
  6. Step 6: Final answer
    x = 9,545.70

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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.