Home / 11,273.12-15,556.78-6,305.12

Finding the Fourth Proportional to 11,273.12, 15,556.78 and 6,305.12

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Solution

The fourth proportional to 11,273.12, 15,556.78 and 6,305.12 is: 8,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.12 : 15,556.78 = 6,305.12 : x
  2. Step 2: Convert to fraction form
    11,273.12/15,556.78 = 6,305.12/x
  3. Step 3: Cross multiply
    11,273.12x = 15,556.78 × 6,305.12
  4. Step 4: Simplify right side
    11,273.12x = 98,087,364.71
  5. Step 5: Solve for x
    x = 98,087,364.71/11,273.12
  6. Step 6: Final answer
    x = 8,701.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.