Home / 8,819.54-12,167.64-5,632.95

Finding the Fourth Proportional to 8,819.54, 12,167.64 and 5,632.95

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Solution

The fourth proportional to 8,819.54, 12,167.64 and 5,632.95 is: 7,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.54 : 12,167.64 = 5,632.95 : x
  2. Step 2: Convert to fraction form
    8,819.54/12,167.64 = 5,632.95/x
  3. Step 3: Cross multiply
    8,819.54x = 12,167.64 × 5,632.95
  4. Step 4: Simplify right side
    8,819.54x = 68,539,707.74
  5. Step 5: Solve for x
    x = 68,539,707.74/8,819.54
  6. Step 6: Final answer
    x = 7,771.35

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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.