Home / 10,747.08-16,119.34-4,902.12

Finding the Fourth Proportional to 10,747.08, 16,119.34 and 4,902.12

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Solution

The fourth proportional to 10,747.08, 16,119.34 and 4,902.12 is: 7,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.08 : 16,119.34 = 4,902.12 : x
  2. Step 2: Convert to fraction form
    10,747.08/16,119.34 = 4,902.12/x
  3. Step 3: Cross multiply
    10,747.08x = 16,119.34 × 4,902.12
  4. Step 4: Simplify right side
    10,747.08x = 79,018,939.00
  5. Step 5: Solve for x
    x = 79,018,939.00/10,747.08
  6. Step 6: Final answer
    x = 7,352.60

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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.