Home / 10,630.44-15,947.28-5,434.56

Finding the Fourth Proportional to 10,630.44, 15,947.28 and 5,434.56

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Solution

The fourth proportional to 10,630.44, 15,947.28 and 5,434.56 is: 8,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.44 : 15,947.28 = 5,434.56 : x
  2. Step 2: Convert to fraction form
    10,630.44/15,947.28 = 5,434.56/x
  3. Step 3: Cross multiply
    10,630.44x = 15,947.28 × 5,434.56
  4. Step 4: Simplify right side
    10,630.44x = 86,666,450.00
  5. Step 5: Solve for x
    x = 86,666,450.00/10,630.44
  6. Step 6: Final answer
    x = 8,152.67

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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.