Home / 7,946.67-11,916.48-4,661.31

Finding the Fourth Proportional to 7,946.67, 11,916.48 and 4,661.31

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Solution

The fourth proportional to 7,946.67, 11,916.48 and 4,661.31 is: 6,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.67 : 11,916.48 = 4,661.31 : x
  2. Step 2: Convert to fraction form
    7,946.67/11,916.48 = 4,661.31/x
  3. Step 3: Cross multiply
    7,946.67x = 11,916.48 × 4,661.31
  4. Step 4: Simplify right side
    7,946.67x = 55,546,407.39
  5. Step 5: Solve for x
    x = 55,546,407.39/7,946.67
  6. Step 6: Final answer
    x = 6,989.90

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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.