Home / 11,722.18-16,176.62-6,417.34

Finding the Fourth Proportional to 11,722.18, 16,176.62 and 6,417.34

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Solution

The fourth proportional to 11,722.18, 16,176.62 and 6,417.34 is: 8,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.18 : 16,176.62 = 6,417.34 : x
  2. Step 2: Convert to fraction form
    11,722.18/16,176.62 = 6,417.34/x
  3. Step 3: Cross multiply
    11,722.18x = 16,176.62 × 6,417.34
  4. Step 4: Simplify right side
    11,722.18x = 103,810,870.59
  5. Step 5: Solve for x
    x = 103,810,870.59/11,722.18
  6. Step 6: Final answer
    x = 8,855.94

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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.