Home / 9,282.70-13,911.45-5,116.47

Finding the Fourth Proportional to 9,282.70, 13,911.45 and 5,116.47

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Solution

The fourth proportional to 9,282.70, 13,911.45 and 5,116.47 is: 7,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.70 : 13,911.45 = 5,116.47 : x
  2. Step 2: Convert to fraction form
    9,282.70/13,911.45 = 5,116.47/x
  3. Step 3: Cross multiply
    9,282.70x = 13,911.45 × 5,116.47
  4. Step 4: Simplify right side
    9,282.70x = 71,177,445.23
  5. Step 5: Solve for x
    x = 71,177,445.23/9,282.70
  6. Step 6: Final answer
    x = 7,667.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.