Home / 11,528.56-15,890.80-10,012.24

Finding the Fourth Proportional to 11,528.56, 15,890.80 and 10,012.24

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Solution

The fourth proportional to 11,528.56, 15,890.80 and 10,012.24 is: 13,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.56 : 15,890.80 = 10,012.24 : x
  2. Step 2: Convert to fraction form
    11,528.56/15,890.80 = 10,012.24/x
  3. Step 3: Cross multiply
    11,528.56x = 15,890.80 × 10,012.24
  4. Step 4: Simplify right side
    11,528.56x = 159,102,503.39
  5. Step 5: Solve for x
    x = 159,102,503.39/11,528.56
  6. Step 6: Final answer
    x = 13,800.73

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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.