Home / 7,350.18-10,143.26-3,993.00

Finding the Fourth Proportional to 7,350.18, 10,143.26 and 3,993.00

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Solution

The fourth proportional to 7,350.18, 10,143.26 and 3,993.00 is: 5,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.18 : 10,143.26 = 3,993.00 : x
  2. Step 2: Convert to fraction form
    7,350.18/10,143.26 = 3,993.00/x
  3. Step 3: Cross multiply
    7,350.18x = 10,143.26 × 3,993.00
  4. Step 4: Simplify right side
    7,350.18x = 40,502,009.71
  5. Step 5: Solve for x
    x = 40,502,009.71/7,350.18
  6. Step 6: Final answer
    x = 5,510.34

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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.