Home / 10,319.82-15,477.66-5,052.56

Finding the Fourth Proportional to 10,319.82, 15,477.66 and 5,052.56

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Solution

The fourth proportional to 10,319.82, 15,477.66 and 5,052.56 is: 7,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.82 : 15,477.66 = 5,052.56 : x
  2. Step 2: Convert to fraction form
    10,319.82/15,477.66 = 5,052.56/x
  3. Step 3: Cross multiply
    10,319.82x = 15,477.66 × 5,052.56
  4. Step 4: Simplify right side
    10,319.82x = 78,201,805.81
  5. Step 5: Solve for x
    x = 78,201,805.81/10,319.82
  6. Step 6: Final answer
    x = 7,577.83

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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.