Home / 11,916.48-16,444.76-6,611.30

Finding the Fourth Proportional to 11,916.48, 16,444.76 and 6,611.30

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Solution

The fourth proportional to 11,916.48, 16,444.76 and 6,611.30 is: 9,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.48 : 16,444.76 = 6,611.30 : x
  2. Step 2: Convert to fraction form
    11,916.48/16,444.76 = 6,611.30/x
  3. Step 3: Cross multiply
    11,916.48x = 16,444.76 × 6,611.30
  4. Step 4: Simplify right side
    11,916.48x = 108,721,241.79
  5. Step 5: Solve for x
    x = 108,721,241.79/11,916.48
  6. Step 6: Final answer
    x = 9,123.60

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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.