Home / 7,411.87-11,120.12-4,634.69

Finding the Fourth Proportional to 7,411.87, 11,120.12 and 4,634.69

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Solution

The fourth proportional to 7,411.87, 11,120.12 and 4,634.69 is: 6,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.87 : 11,120.12 = 4,634.69 : x
  2. Step 2: Convert to fraction form
    7,411.87/11,120.12 = 4,634.69/x
  3. Step 3: Cross multiply
    7,411.87x = 11,120.12 × 4,634.69
  4. Step 4: Simplify right side
    7,411.87x = 51,538,285.79
  5. Step 5: Solve for x
    x = 51,538,285.79/7,411.87
  6. Step 6: Final answer
    x = 6,953.48

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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.