Home / 8,547.33-11,791.71-5,188.85

Finding the Fourth Proportional to 8,547.33, 11,791.71 and 5,188.85

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Solution

The fourth proportional to 8,547.33, 11,791.71 and 5,188.85 is: 7,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.33 : 11,791.71 = 5,188.85 : x
  2. Step 2: Convert to fraction form
    8,547.33/11,791.71 = 5,188.85/x
  3. Step 3: Cross multiply
    8,547.33x = 11,791.71 × 5,188.85
  4. Step 4: Simplify right side
    8,547.33x = 61,185,355.47
  5. Step 5: Solve for x
    x = 61,185,355.47/8,547.33
  6. Step 6: Final answer
    x = 7,158.42

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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.