Home / 10,093.30-15,125.55-7,440.10

Finding the Fourth Proportional to 10,093.30, 15,125.55 and 7,440.10

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Solution

The fourth proportional to 10,093.30, 15,125.55 and 7,440.10 is: 11,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.30 : 15,125.55 = 7,440.10 : x
  2. Step 2: Convert to fraction form
    10,093.30/15,125.55 = 7,440.10/x
  3. Step 3: Cross multiply
    10,093.30x = 15,125.55 × 7,440.10
  4. Step 4: Simplify right side
    10,093.30x = 112,535,604.56
  5. Step 5: Solve for x
    x = 112,535,604.56/10,093.30
  6. Step 6: Final answer
    x = 11,149.54

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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.