Home / 10,969.22-16,438.02-8,492.45

Finding the Fourth Proportional to 10,969.22, 16,438.02 and 8,492.45

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Solution

The fourth proportional to 10,969.22, 16,438.02 and 8,492.45 is: 12,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.22 : 16,438.02 = 8,492.45 : x
  2. Step 2: Convert to fraction form
    10,969.22/16,438.02 = 8,492.45/x
  3. Step 3: Cross multiply
    10,969.22x = 16,438.02 × 8,492.45
  4. Step 4: Simplify right side
    10,969.22x = 139,598,980.76
  5. Step 5: Solve for x
    x = 139,598,980.76/10,969.22
  6. Step 6: Final answer
    x = 12,726.43

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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.