Home / 7,404.36-10,218.30-4,047.09

Finding the Fourth Proportional to 7,404.36, 10,218.30 and 4,047.09

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Solution

The fourth proportional to 7,404.36, 10,218.30 and 4,047.09 is: 5,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.36 : 10,218.30 = 4,047.09 : x
  2. Step 2: Convert to fraction form
    7,404.36/10,218.30 = 4,047.09/x
  3. Step 3: Cross multiply
    7,404.36x = 10,218.30 × 4,047.09
  4. Step 4: Simplify right side
    7,404.36x = 41,354,377.76
  5. Step 5: Solve for x
    x = 41,354,377.76/7,404.36
  6. Step 6: Final answer
    x = 5,585.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.