Home / 8,285.60-11,433.48-5,141.18

Finding the Fourth Proportional to 8,285.60, 11,433.48 and 5,141.18

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Solution

The fourth proportional to 8,285.60, 11,433.48 and 5,141.18 is: 7,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.60 : 11,433.48 = 5,141.18 : x
  2. Step 2: Convert to fraction form
    8,285.60/11,433.48 = 5,141.18/x
  3. Step 3: Cross multiply
    8,285.60x = 11,433.48 × 5,141.18
  4. Step 4: Simplify right side
    8,285.60x = 58,781,578.71
  5. Step 5: Solve for x
    x = 58,781,578.71/8,285.60
  6. Step 6: Final answer
    x = 7,094.43

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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.