Home / 7,423.08-11,129.73-3,036.12

Finding the Fourth Proportional to 7,423.08, 11,129.73 and 3,036.12

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Solution

The fourth proportional to 7,423.08, 11,129.73 and 3,036.12 is: 4,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.08 : 11,129.73 = 3,036.12 : x
  2. Step 2: Convert to fraction form
    7,423.08/11,129.73 = 3,036.12/x
  3. Step 3: Cross multiply
    7,423.08x = 11,129.73 × 3,036.12
  4. Step 4: Simplify right side
    7,423.08x = 33,791,195.85
  5. Step 5: Solve for x
    x = 33,791,195.85/7,423.08
  6. Step 6: Final answer
    x = 4,552.18

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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.