Home / 11,129.60-15,359.03-6,093.74

Finding the Fourth Proportional to 11,129.60, 15,359.03 and 6,093.74

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Solution

The fourth proportional to 11,129.60, 15,359.03 and 6,093.74 is: 8,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.60 : 15,359.03 = 6,093.74 : x
  2. Step 2: Convert to fraction form
    11,129.60/15,359.03 = 6,093.74/x
  3. Step 3: Cross multiply
    11,129.60x = 15,359.03 × 6,093.74
  4. Step 4: Simplify right side
    11,129.60x = 93,593,828.21
  5. Step 5: Solve for x
    x = 93,593,828.21/11,129.60
  6. Step 6: Final answer
    x = 8,409.45

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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.