Home / 11,155.26-16,700.02-9,771.30

Finding the Fourth Proportional to 11,155.26, 16,700.02 and 9,771.30

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Solution

The fourth proportional to 11,155.26, 16,700.02 and 9,771.30 is: 14,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.26 : 16,700.02 = 9,771.30 : x
  2. Step 2: Convert to fraction form
    11,155.26/16,700.02 = 9,771.30/x
  3. Step 3: Cross multiply
    11,155.26x = 16,700.02 × 9,771.30
  4. Step 4: Simplify right side
    11,155.26x = 163,180,905.43
  5. Step 5: Solve for x
    x = 163,180,905.43/11,155.26
  6. Step 6: Final answer
    x = 14,628.16

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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.