Home / 10,996.30-16,475.55-5,140.90

Finding the Fourth Proportional to 10,996.30, 16,475.55 and 5,140.90

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Solution

The fourth proportional to 10,996.30, 16,475.55 and 5,140.90 is: 7,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.30 : 16,475.55 = 5,140.90 : x
  2. Step 2: Convert to fraction form
    10,996.30/16,475.55 = 5,140.90/x
  3. Step 3: Cross multiply
    10,996.30x = 16,475.55 × 5,140.90
  4. Step 4: Simplify right side
    10,996.30x = 84,699,155.00
  5. Step 5: Solve for x
    x = 84,699,155.00/10,996.30
  6. Step 6: Final answer
    x = 7,702.51

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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.