Home / 11,153.10-16,602.23-10,986.96

Finding the Fourth Proportional to 11,153.10, 16,602.23 and 10,986.96

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Solution

The fourth proportional to 11,153.10, 16,602.23 and 10,986.96 is: 16,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.10 : 16,602.23 = 10,986.96 : x
  2. Step 2: Convert to fraction form
    11,153.10/16,602.23 = 10,986.96/x
  3. Step 3: Cross multiply
    11,153.10x = 16,602.23 × 10,986.96
  4. Step 4: Simplify right side
    11,153.10x = 182,407,981.99
  5. Step 5: Solve for x
    x = 182,407,981.99/11,153.10
  6. Step 6: Final answer
    x = 16,354.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.