Home / 11,583.08-15,984.22-6,277.78

Finding the Fourth Proportional to 11,583.08, 15,984.22 and 6,277.78

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Solution

The fourth proportional to 11,583.08, 15,984.22 and 6,277.78 is: 8,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.08 : 15,984.22 = 6,277.78 : x
  2. Step 2: Convert to fraction form
    11,583.08/15,984.22 = 6,277.78/x
  3. Step 3: Cross multiply
    11,583.08x = 15,984.22 × 6,277.78
  4. Step 4: Simplify right side
    11,583.08x = 100,345,416.63
  5. Step 5: Solve for x
    x = 100,345,416.63/11,583.08
  6. Step 6: Final answer
    x = 8,663.10

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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.