Home / 11,784.59-16,262.73-6,479.76

Finding the Fourth Proportional to 11,784.59, 16,262.73 and 6,479.76

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Solution

The fourth proportional to 11,784.59, 16,262.73 and 6,479.76 is: 8,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.59 : 16,262.73 = 6,479.76 : x
  2. Step 2: Convert to fraction form
    11,784.59/16,262.73 = 6,479.76/x
  3. Step 3: Cross multiply
    11,784.59x = 16,262.73 × 6,479.76
  4. Step 4: Simplify right side
    11,784.59x = 105,378,587.34
  5. Step 5: Solve for x
    x = 105,378,587.34/11,784.59
  6. Step 6: Final answer
    x = 8,942.07

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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.