Home / 7,509.29-10,362.38-4,151.84

Finding the Fourth Proportional to 7,509.29, 10,362.38 and 4,151.84

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Solution

The fourth proportional to 7,509.29, 10,362.38 and 4,151.84 is: 5,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.29 : 10,362.38 = 4,151.84 : x
  2. Step 2: Convert to fraction form
    7,509.29/10,362.38 = 4,151.84/x
  3. Step 3: Cross multiply
    7,509.29x = 10,362.38 × 4,151.84
  4. Step 4: Simplify right side
    7,509.29x = 43,022,910.07
  5. Step 5: Solve for x
    x = 43,022,910.07/7,509.29
  6. Step 6: Final answer
    x = 5,729.29

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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.