Home / 7,485.27-11,225.63-3,322.68

Finding the Fourth Proportional to 7,485.27, 11,225.63 and 3,322.68

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Solution

The fourth proportional to 7,485.27, 11,225.63 and 3,322.68 is: 4,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.27 : 11,225.63 = 3,322.68 : x
  2. Step 2: Convert to fraction form
    7,485.27/11,225.63 = 3,322.68/x
  3. Step 3: Cross multiply
    7,485.27x = 11,225.63 × 3,322.68
  4. Step 4: Simplify right side
    7,485.27x = 37,299,176.29
  5. Step 5: Solve for x
    x = 37,299,176.29/7,485.27
  6. Step 6: Final answer
    x = 4,983.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.