Home / 7,938.12-10,954.56-4,580.88

Finding the Fourth Proportional to 7,938.12, 10,954.56 and 4,580.88

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Solution

The fourth proportional to 7,938.12, 10,954.56 and 4,580.88 is: 6,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.12 : 10,954.56 = 4,580.88 : x
  2. Step 2: Convert to fraction form
    7,938.12/10,954.56 = 4,580.88/x
  3. Step 3: Cross multiply
    7,938.12x = 10,954.56 × 4,580.88
  4. Step 4: Simplify right side
    7,938.12x = 50,181,524.81
  5. Step 5: Solve for x
    x = 50,181,524.81/7,938.12
  6. Step 6: Final answer
    x = 6,321.59

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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.