Home / 11,222.23-15,492.63-8,698.68

Finding the Fourth Proportional to 11,222.23, 15,492.63 and 8,698.68

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Solution

The fourth proportional to 11,222.23, 15,492.63 and 8,698.68 is: 12,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.23 : 15,492.63 = 8,698.68 : x
  2. Step 2: Convert to fraction form
    11,222.23/15,492.63 = 8,698.68/x
  3. Step 3: Cross multiply
    11,222.23x = 15,492.63 × 8,698.68
  4. Step 4: Simplify right side
    11,222.23x = 134,765,430.73
  5. Step 5: Solve for x
    x = 134,765,430.73/11,222.23
  6. Step 6: Final answer
    x = 12,008.79

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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.