Home / 11,834.16-16,331.19-6,456.72

Finding the Fourth Proportional to 11,834.16, 16,331.19 and 6,456.72

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Solution

The fourth proportional to 11,834.16, 16,331.19 and 6,456.72 is: 8,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.16 : 16,331.19 = 6,456.72 : x
  2. Step 2: Convert to fraction form
    11,834.16/16,331.19 = 6,456.72/x
  3. Step 3: Cross multiply
    11,834.16x = 16,331.19 × 6,456.72
  4. Step 4: Simplify right side
    11,834.16x = 105,445,921.10
  5. Step 5: Solve for x
    x = 105,445,921.10/11,834.16
  6. Step 6: Final answer
    x = 8,910.30

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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.