Home / 11,722.39-16,176.76-6,417.14

Finding the Fourth Proportional to 11,722.39, 16,176.76 and 6,417.14

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Solution

The fourth proportional to 11,722.39, 16,176.76 and 6,417.14 is: 8,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.39 : 16,176.76 = 6,417.14 : x
  2. Step 2: Convert to fraction form
    11,722.39/16,176.76 = 6,417.14/x
  3. Step 3: Cross multiply
    11,722.39x = 16,176.76 × 6,417.14
  4. Step 4: Simplify right side
    11,722.39x = 103,808,436.74
  5. Step 5: Solve for x
    x = 103,808,436.74/11,722.39
  6. Step 6: Final answer
    x = 8,855.57

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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.