Home / 11,129.50-15,358.74-6,093.76

Finding the Fourth Proportional to 11,129.50, 15,358.74 and 6,093.76

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Solution

The fourth proportional to 11,129.50, 15,358.74 and 6,093.76 is: 8,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.50 : 15,358.74 = 6,093.76 : x
  2. Step 2: Convert to fraction form
    11,129.50/15,358.74 = 6,093.76/x
  3. Step 3: Cross multiply
    11,129.50x = 15,358.74 × 6,093.76
  4. Step 4: Simplify right side
    11,129.50x = 93,592,475.46
  5. Step 5: Solve for x
    x = 93,592,475.46/11,129.50
  6. Step 6: Final answer
    x = 8,409.41

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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.