Home / 7,293.12-10,039.68-5,521.92

Finding the Fourth Proportional to 7,293.12, 10,039.68 and 5,521.92

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Solution

The fourth proportional to 7,293.12, 10,039.68 and 5,521.92 is: 7,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.12 : 10,039.68 = 5,521.92 : x
  2. Step 2: Convert to fraction form
    7,293.12/10,039.68 = 5,521.92/x
  3. Step 3: Cross multiply
    7,293.12x = 10,039.68 × 5,521.92
  4. Step 4: Simplify right side
    7,293.12x = 55,438,309.79
  5. Step 5: Solve for x
    x = 55,438,309.79/7,293.12
  6. Step 6: Final answer
    x = 7,601.45

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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.