Home / 7,452.48-10,281.78-5,216.88

Finding the Fourth Proportional to 7,452.48, 10,281.78 and 5,216.88

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Solution

The fourth proportional to 7,452.48, 10,281.78 and 5,216.88 is: 7,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.48 : 10,281.78 = 5,216.88 : x
  2. Step 2: Convert to fraction form
    7,452.48/10,281.78 = 5,216.88/x
  3. Step 3: Cross multiply
    7,452.48x = 10,281.78 × 5,216.88
  4. Step 4: Simplify right side
    7,452.48x = 53,638,812.45
  5. Step 5: Solve for x
    x = 53,638,812.45/7,452.48
  6. Step 6: Final answer
    x = 7,197.44

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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.