Home / 7,518.45-11,275.65-2,252.64

Finding the Fourth Proportional to 7,518.45, 11,275.65 and 2,252.64

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Solution

The fourth proportional to 7,518.45, 11,275.65 and 2,252.64 is: 3,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.45 : 11,275.65 = 2,252.64 : x
  2. Step 2: Convert to fraction form
    7,518.45/11,275.65 = 2,252.64/x
  3. Step 3: Cross multiply
    7,518.45x = 11,275.65 × 2,252.64
  4. Step 4: Simplify right side
    7,518.45x = 25,399,980.22
  5. Step 5: Solve for x
    x = 25,399,980.22/7,518.45
  6. Step 6: Final answer
    x = 3,378.35

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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.