Home / 7,422.54-10,244.79-4,627.50

Finding the Fourth Proportional to 7,422.54, 10,244.79 and 4,627.50

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Solution

The fourth proportional to 7,422.54, 10,244.79 and 4,627.50 is: 6,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.54 : 10,244.79 = 4,627.50 : x
  2. Step 2: Convert to fraction form
    7,422.54/10,244.79 = 4,627.50/x
  3. Step 3: Cross multiply
    7,422.54x = 10,244.79 × 4,627.50
  4. Step 4: Simplify right side
    7,422.54x = 47,407,765.73
  5. Step 5: Solve for x
    x = 47,407,765.73/7,422.54
  6. Step 6: Final answer
    x = 6,387.00

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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.