Home / 7,358.07-11,037.12-1,811.52

Finding the Fourth Proportional to 7,358.07, 11,037.12 and 1,811.52

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Solution

The fourth proportional to 7,358.07, 11,037.12 and 1,811.52 is: 2,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.07 : 11,037.12 = 1,811.52 : x
  2. Step 2: Convert to fraction form
    7,358.07/11,037.12 = 1,811.52/x
  3. Step 3: Cross multiply
    7,358.07x = 11,037.12 × 1,811.52
  4. Step 4: Simplify right side
    7,358.07x = 19,993,963.62
  5. Step 5: Solve for x
    x = 19,993,963.62/7,358.07
  6. Step 6: Final answer
    x = 2,717.28

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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.