Home / 11,766.48-16,237.88-6,461.20

Finding the Fourth Proportional to 11,766.48, 16,237.88 and 6,461.20

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Solution

The fourth proportional to 11,766.48, 16,237.88 and 6,461.20 is: 8,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.48 : 16,237.88 = 6,461.20 : x
  2. Step 2: Convert to fraction form
    11,766.48/16,237.88 = 6,461.20/x
  3. Step 3: Cross multiply
    11,766.48x = 16,237.88 × 6,461.20
  4. Step 4: Simplify right side
    11,766.48x = 104,916,190.26
  5. Step 5: Solve for x
    x = 104,916,190.26/11,766.48
  6. Step 6: Final answer
    x = 8,916.53

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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.