Home / 11,824.87-16,319.01-6,789.10

Finding the Fourth Proportional to 11,824.87, 16,319.01 and 6,789.10

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Solution

The fourth proportional to 11,824.87, 16,319.01 and 6,789.10 is: 9,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.87 : 16,319.01 = 6,789.10 : x
  2. Step 2: Convert to fraction form
    11,824.87/16,319.01 = 6,789.10/x
  3. Step 3: Cross multiply
    11,824.87x = 16,319.01 × 6,789.10
  4. Step 4: Simplify right side
    11,824.87x = 110,791,390.79
  5. Step 5: Solve for x
    x = 110,791,390.79/11,824.87
  6. Step 6: Final answer
    x = 9,369.35

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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.