Home / 8,304.39-11,453.58-5,320.51

Finding the Fourth Proportional to 8,304.39, 11,453.58 and 5,320.51

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Solution

The fourth proportional to 8,304.39, 11,453.58 and 5,320.51 is: 7,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.39 : 11,453.58 = 5,320.51 : x
  2. Step 2: Convert to fraction form
    8,304.39/11,453.58 = 5,320.51/x
  3. Step 3: Cross multiply
    8,304.39x = 11,453.58 × 5,320.51
  4. Step 4: Simplify right side
    8,304.39x = 60,938,829.66
  5. Step 5: Solve for x
    x = 60,938,829.66/8,304.39
  6. Step 6: Final answer
    x = 7,338.14

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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.