Home / 9,455.12-13,048.08-5,263.28

Finding the Fourth Proportional to 9,455.12, 13,048.08 and 5,263.28

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Solution

The fourth proportional to 9,455.12, 13,048.08 and 5,263.28 is: 7,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.12 : 13,048.08 = 5,263.28 : x
  2. Step 2: Convert to fraction form
    9,455.12/13,048.08 = 5,263.28/x
  3. Step 3: Cross multiply
    9,455.12x = 13,048.08 × 5,263.28
  4. Step 4: Simplify right side
    9,455.12x = 68,675,698.50
  5. Step 5: Solve for x
    x = 68,675,698.50/9,455.12
  6. Step 6: Final answer
    x = 7,263.33

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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.