Home / 7,980.24-11,941.20-4,694.88

Finding the Fourth Proportional to 7,980.24, 11,941.20 and 4,694.88

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Solution

The fourth proportional to 7,980.24, 11,941.20 and 4,694.88 is: 7,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.24 : 11,941.20 = 4,694.88 : x
  2. Step 2: Convert to fraction form
    7,980.24/11,941.20 = 4,694.88/x
  3. Step 3: Cross multiply
    7,980.24x = 11,941.20 × 4,694.88
  4. Step 4: Simplify right side
    7,980.24x = 56,062,501.06
  5. Step 5: Solve for x
    x = 56,062,501.06/7,980.24
  6. Step 6: Final answer
    x = 7,025.16

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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.