Home / 11,331.46-15,628.78-10,056.67

Finding the Fourth Proportional to 11,331.46, 15,628.78 and 10,056.67

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Solution

The fourth proportional to 11,331.46, 15,628.78 and 10,056.67 is: 13,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.46 : 15,628.78 = 10,056.67 : x
  2. Step 2: Convert to fraction form
    11,331.46/15,628.78 = 10,056.67/x
  3. Step 3: Cross multiply
    11,331.46x = 15,628.78 × 10,056.67
  4. Step 4: Simplify right side
    11,331.46x = 157,173,544.37
  5. Step 5: Solve for x
    x = 157,173,544.37/11,331.46
  6. Step 6: Final answer
    x = 13,870.55

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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.