Home / 9,442.20-14,163.30-4,760.40

Finding the Fourth Proportional to 9,442.20, 14,163.30 and 4,760.40

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Solution

The fourth proportional to 9,442.20, 14,163.30 and 4,760.40 is: 7,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.20 : 14,163.30 = 4,760.40 : x
  2. Step 2: Convert to fraction form
    9,442.20/14,163.30 = 4,760.40/x
  3. Step 3: Cross multiply
    9,442.20x = 14,163.30 × 4,760.40
  4. Step 4: Simplify right side
    9,442.20x = 67,422,973.32
  5. Step 5: Solve for x
    x = 67,422,973.32/9,442.20
  6. Step 6: Final answer
    x = 7,140.60

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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.