Home / 9,728.56-13,424.86-5,750.04

Finding the Fourth Proportional to 9,728.56, 13,424.86 and 5,750.04

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Solution

The fourth proportional to 9,728.56, 13,424.86 and 5,750.04 is: 7,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.56 : 13,424.86 = 5,750.04 : x
  2. Step 2: Convert to fraction form
    9,728.56/13,424.86 = 5,750.04/x
  3. Step 3: Cross multiply
    9,728.56x = 13,424.86 × 5,750.04
  4. Step 4: Simplify right side
    9,728.56x = 77,193,453.24
  5. Step 5: Solve for x
    x = 77,193,453.24/9,728.56
  6. Step 6: Final answer
    x = 7,934.73

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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.