Home / 11,566.47-17,349.72-6,939.75

Finding the Fourth Proportional to 11,566.47, 17,349.72 and 6,939.75

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Solution

The fourth proportional to 11,566.47, 17,349.72 and 6,939.75 is: 10,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.47 : 17,349.72 = 6,939.75 : x
  2. Step 2: Convert to fraction form
    11,566.47/17,349.72 = 6,939.75/x
  3. Step 3: Cross multiply
    11,566.47x = 17,349.72 × 6,939.75
  4. Step 4: Simplify right side
    11,566.47x = 120,402,719.37
  5. Step 5: Solve for x
    x = 120,402,719.37/11,566.47
  6. Step 6: Final answer
    x = 10,409.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.