Home / 11,722.50-16,177.03-6,417.36

Finding the Fourth Proportional to 11,722.50, 16,177.03 and 6,417.36

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Solution

The fourth proportional to 11,722.50, 16,177.03 and 6,417.36 is: 8,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.50 : 16,177.03 = 6,417.36 : x
  2. Step 2: Convert to fraction form
    11,722.50/16,177.03 = 6,417.36/x
  3. Step 3: Cross multiply
    11,722.50x = 16,177.03 × 6,417.36
  4. Step 4: Simplify right side
    11,722.50x = 103,813,809.20
  5. Step 5: Solve for x
    x = 103,813,809.20/11,722.50
  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.