Home / 7,406.10-11,115.45-3,026.70

Finding the Fourth Proportional to 7,406.10, 11,115.45 and 3,026.70

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Solution

The fourth proportional to 7,406.10, 11,115.45 and 3,026.70 is: 4,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.10 : 11,115.45 = 3,026.70 : x
  2. Step 2: Convert to fraction form
    7,406.10/11,115.45 = 3,026.70/x
  3. Step 3: Cross multiply
    7,406.10x = 11,115.45 × 3,026.70
  4. Step 4: Simplify right side
    7,406.10x = 33,643,132.52
  5. Step 5: Solve for x
    x = 33,643,132.52/7,406.10
  6. Step 6: Final answer
    x = 4,542.62

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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.