Home / 7,430.13-11,145.20-3,048.03

Finding the Fourth Proportional to 7,430.13, 11,145.20 and 3,048.03

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Solution

The fourth proportional to 7,430.13, 11,145.20 and 3,048.03 is: 4,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.13 : 11,145.20 = 3,048.03 : x
  2. Step 2: Convert to fraction form
    7,430.13/11,145.20 = 3,048.03/x
  3. Step 3: Cross multiply
    7,430.13x = 11,145.20 × 3,048.03
  4. Step 4: Simplify right side
    7,430.13x = 33,970,888.72
  5. Step 5: Solve for x
    x = 33,970,888.72/7,430.13
  6. Step 6: Final answer
    x = 4,572.05

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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.