Home / 15,137.12-22,707.72-5,274.09

Finding the Fourth Proportional to 15,137.12, 22,707.72 and 5,274.09

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Solution

The fourth proportional to 15,137.12, 22,707.72 and 5,274.09 is: 7,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.12 : 22,707.72 = 5,274.09 : x
  2. Step 2: Convert to fraction form
    15,137.12/22,707.72 = 5,274.09/x
  3. Step 3: Cross multiply
    15,137.12x = 22,707.72 × 5,274.09
  4. Step 4: Simplify right side
    15,137.12x = 119,762,558.97
  5. Step 5: Solve for x
    x = 119,762,558.97/15,137.12
  6. Step 6: Final answer
    x = 7,911.84

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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.