Home / 7,350.16-10,143.34-3,993.04

Finding the Fourth Proportional to 7,350.16, 10,143.34 and 3,993.04

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Solution

The fourth proportional to 7,350.16, 10,143.34 and 3,993.04 is: 5,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.16 : 10,143.34 = 3,993.04 : x
  2. Step 2: Convert to fraction form
    7,350.16/10,143.34 = 3,993.04/x
  3. Step 3: Cross multiply
    7,350.16x = 10,143.34 × 3,993.04
  4. Step 4: Simplify right side
    7,350.16x = 40,502,742.39
  5. Step 5: Solve for x
    x = 40,502,742.39/7,350.16
  6. Step 6: Final answer
    x = 5,510.46

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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.