Home / 9,750.24-13,455.43-5,920.76

Finding the Fourth Proportional to 9,750.24, 13,455.43 and 5,920.76

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Solution

The fourth proportional to 9,750.24, 13,455.43 and 5,920.76 is: 8,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.24 : 13,455.43 = 5,920.76 : x
  2. Step 2: Convert to fraction form
    9,750.24/13,455.43 = 5,920.76/x
  3. Step 3: Cross multiply
    9,750.24x = 13,455.43 × 5,920.76
  4. Step 4: Simplify right side
    9,750.24x = 79,666,390.56
  5. Step 5: Solve for x
    x = 79,666,390.56/9,750.24
  6. Step 6: Final answer
    x = 8,170.71

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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.