Home / 10,449.37-15,682.80-9,792.56

Finding the Fourth Proportional to 10,449.37, 15,682.80 and 9,792.56

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Solution

The fourth proportional to 10,449.37, 15,682.80 and 9,792.56 is: 14,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.37 : 15,682.80 = 9,792.56 : x
  2. Step 2: Convert to fraction form
    10,449.37/15,682.80 = 9,792.56/x
  3. Step 3: Cross multiply
    10,449.37x = 15,682.80 × 9,792.56
  4. Step 4: Simplify right side
    10,449.37x = 153,574,759.97
  5. Step 5: Solve for x
    x = 153,574,759.97/10,449.37
  6. Step 6: Final answer
    x = 14,697.04

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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.