Home / 7,430.62-11,146.54-3,048.12

Finding the Fourth Proportional to 7,430.62, 11,146.54 and 3,048.12

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Solution

The fourth proportional to 7,430.62, 11,146.54 and 3,048.12 is: 4,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.62 : 11,146.54 = 3,048.12 : x
  2. Step 2: Convert to fraction form
    7,430.62/11,146.54 = 3,048.12/x
  3. Step 3: Cross multiply
    7,430.62x = 11,146.54 × 3,048.12
  4. Step 4: Simplify right side
    7,430.62x = 33,975,947.80
  5. Step 5: Solve for x
    x = 33,975,947.80/7,430.62
  6. Step 6: Final answer
    x = 4,572.42

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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.