Home / 10,180.25-15,261.58-4,918.93

Finding the Fourth Proportional to 10,180.25, 15,261.58 and 4,918.93

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Solution

The fourth proportional to 10,180.25, 15,261.58 and 4,918.93 is: 7,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.25 : 15,261.58 = 4,918.93 : x
  2. Step 2: Convert to fraction form
    10,180.25/15,261.58 = 4,918.93/x
  3. Step 3: Cross multiply
    10,180.25x = 15,261.58 × 4,918.93
  4. Step 4: Simplify right side
    10,180.25x = 75,070,611.70
  5. Step 5: Solve for x
    x = 75,070,611.70/10,180.25
  6. Step 6: Final answer
    x = 7,374.14

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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.