Home / 11,273.13-16,909.70-5,117.13

Finding the Fourth Proportional to 11,273.13, 16,909.70 and 5,117.13

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Solution

The fourth proportional to 11,273.13, 16,909.70 and 5,117.13 is: 7,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.13 : 16,909.70 = 5,117.13 : x
  2. Step 2: Convert to fraction form
    11,273.13/16,909.70 = 5,117.13/x
  3. Step 3: Cross multiply
    11,273.13x = 16,909.70 × 5,117.13
  4. Step 4: Simplify right side
    11,273.13x = 86,529,133.16
  5. Step 5: Solve for x
    x = 86,529,133.16/11,273.13
  6. Step 6: Final answer
    x = 7,675.70

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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.