Home / 7,340.58-11,011.68-2,958.12

Finding the Fourth Proportional to 7,340.58, 11,011.68 and 2,958.12

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Solution

The fourth proportional to 7,340.58, 11,011.68 and 2,958.12 is: 4,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.58 : 11,011.68 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    7,340.58/11,011.68 = 2,958.12/x
  3. Step 3: Cross multiply
    7,340.58x = 11,011.68 × 2,958.12
  4. Step 4: Simplify right side
    7,340.58x = 32,573,870.84
  5. Step 5: Solve for x
    x = 32,573,870.84/7,340.58
  6. Step 6: Final answer
    x = 4,437.51

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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.