Home / 10,093.42-15,121.30-7,313.30

Finding the Fourth Proportional to 10,093.42, 15,121.30 and 7,313.30

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Solution

The fourth proportional to 10,093.42, 15,121.30 and 7,313.30 is: 10,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,093.42 : 15,121.30 = 7,313.30 : x
  2. Step 2: Convert to fraction form
    10,093.42/15,121.30 = 7,313.30/x
  3. Step 3: Cross multiply
    10,093.42x = 15,121.30 × 7,313.30
  4. Step 4: Simplify right side
    10,093.42x = 110,586,603.29
  5. Step 5: Solve for x
    x = 110,586,603.29/10,093.42
  6. Step 6: Final answer
    x = 10,956.31

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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.