Home / 11,102.20-16,653.30-9,849.40

Finding the Fourth Proportional to 11,102.20, 16,653.30 and 9,849.40

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Solution

The fourth proportional to 11,102.20, 16,653.30 and 9,849.40 is: 14,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.20 : 16,653.30 = 9,849.40 : x
  2. Step 2: Convert to fraction form
    11,102.20/16,653.30 = 9,849.40/x
  3. Step 3: Cross multiply
    11,102.20x = 16,653.30 × 9,849.40
  4. Step 4: Simplify right side
    11,102.20x = 164,025,013.02
  5. Step 5: Solve for x
    x = 164,025,013.02/11,102.20
  6. Step 6: Final answer
    x = 14,774.10

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1.5x scale

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.