Home / 11,925.17-16,454.99-6,620.03

Finding the Fourth Proportional to 11,925.17, 16,454.99 and 6,620.03

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Solution

The fourth proportional to 11,925.17, 16,454.99 and 6,620.03 is: 9,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.17 : 16,454.99 = 6,620.03 : x
  2. Step 2: Convert to fraction form
    11,925.17/16,454.99 = 6,620.03/x
  3. Step 3: Cross multiply
    11,925.17x = 16,454.99 × 6,620.03
  4. Step 4: Simplify right side
    11,925.17x = 108,932,494.35
  5. Step 5: Solve for x
    x = 108,932,494.35/11,925.17
  6. Step 6: Final answer
    x = 9,134.67

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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.