Home / 11,580.08-15,980.48-6,274.92

Finding the Fourth Proportional to 11,580.08, 15,980.48 and 6,274.92

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Solution

The fourth proportional to 11,580.08, 15,980.48 and 6,274.92 is: 8,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.08 : 15,980.48 = 6,274.92 : x
  2. Step 2: Convert to fraction form
    11,580.08/15,980.48 = 6,274.92/x
  3. Step 3: Cross multiply
    11,580.08x = 15,980.48 × 6,274.92
  4. Step 4: Simplify right side
    11,580.08x = 100,276,233.56
  5. Step 5: Solve for x
    x = 100,276,233.56/11,580.08
  6. Step 6: Final answer
    x = 8,659.37

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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.