Home / 11,582.81-15,984.11-6,277.49

Finding the Fourth Proportional to 11,582.81, 15,984.11 and 6,277.49

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Solution

The fourth proportional to 11,582.81, 15,984.11 and 6,277.49 is: 8,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.81 : 15,984.11 = 6,277.49 : x
  2. Step 2: Convert to fraction form
    11,582.81/15,984.11 = 6,277.49/x
  3. Step 3: Cross multiply
    11,582.81x = 15,984.11 × 6,277.49
  4. Step 4: Simplify right side
    11,582.81x = 100,340,059.30
  5. Step 5: Solve for x
    x = 100,340,059.30/11,582.81
  6. Step 6: Final answer
    x = 8,662.84

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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.