Home / 7,350.07-10,142.53-4,162.99

Finding the Fourth Proportional to 7,350.07, 10,142.53 and 4,162.99

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Solution

The fourth proportional to 7,350.07, 10,142.53 and 4,162.99 is: 5,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.07 : 10,142.53 = 4,162.99 : x
  2. Step 2: Convert to fraction form
    7,350.07/10,142.53 = 4,162.99/x
  3. Step 3: Cross multiply
    7,350.07x = 10,142.53 × 4,162.99
  4. Step 4: Simplify right side
    7,350.07x = 42,223,250.96
  5. Step 5: Solve for x
    x = 42,223,250.96/7,350.07
  6. Step 6: Final answer
    x = 5,744.61

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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.