Home / 7,530.74-11,286.03-4,242.50

Finding the Fourth Proportional to 7,530.74, 11,286.03 and 4,242.50

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Solution

The fourth proportional to 7,530.74, 11,286.03 and 4,242.50 is: 6,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.74 : 11,286.03 = 4,242.50 : x
  2. Step 2: Convert to fraction form
    7,530.74/11,286.03 = 4,242.50/x
  3. Step 3: Cross multiply
    7,530.74x = 11,286.03 × 4,242.50
  4. Step 4: Simplify right side
    7,530.74x = 47,880,982.28
  5. Step 5: Solve for x
    x = 47,880,982.28/7,530.74
  6. Step 6: Final answer
    x = 6,358.07

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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.