Home / 7,500.24-10,350.92-4,143.36

Finding the Fourth Proportional to 7,500.24, 10,350.92 and 4,143.36

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Solution

The fourth proportional to 7,500.24, 10,350.92 and 4,143.36 is: 5,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.24 : 10,350.92 = 4,143.36 : x
  2. Step 2: Convert to fraction form
    7,500.24/10,350.92 = 4,143.36/x
  3. Step 3: Cross multiply
    7,500.24x = 10,350.92 × 4,143.36
  4. Step 4: Simplify right side
    7,500.24x = 42,887,587.89
  5. Step 5: Solve for x
    x = 42,887,587.89/7,500.24
  6. Step 6: Final answer
    x = 5,718.16

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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.