Home / 9,455.20-13,047.96-5,920.36

Finding the Fourth Proportional to 9,455.20, 13,047.96 and 5,920.36

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Solution

The fourth proportional to 9,455.20, 13,047.96 and 5,920.36 is: 8,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.20 : 13,047.96 = 5,920.36 : x
  2. Step 2: Convert to fraction form
    9,455.20/13,047.96 = 5,920.36/x
  3. Step 3: Cross multiply
    9,455.20x = 13,047.96 × 5,920.36
  4. Step 4: Simplify right side
    9,455.20x = 77,248,620.47
  5. Step 5: Solve for x
    x = 77,248,620.47/9,455.20
  6. Step 6: Final answer
    x = 8,169.96

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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.