Home / 15,217.04-22,811.34-7,805.09

Finding the Fourth Proportional to 15,217.04, 22,811.34 and 7,805.09

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Solution

The fourth proportional to 15,217.04, 22,811.34 and 7,805.09 is: 11,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.04 : 22,811.34 = 7,805.09 : x
  2. Step 2: Convert to fraction form
    15,217.04/22,811.34 = 7,805.09/x
  3. Step 3: Cross multiply
    15,217.04x = 22,811.34 × 7,805.09
  4. Step 4: Simplify right side
    15,217.04x = 178,044,561.72
  5. Step 5: Solve for x
    x = 178,044,561.72/15,217.04
  6. Step 6: Final answer
    x = 11,700.34

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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.