Home / 11,025.45-15,214.77-6,309.63

Finding the Fourth Proportional to 11,025.45, 15,214.77 and 6,309.63

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Solution

The fourth proportional to 11,025.45, 15,214.77 and 6,309.63 is: 8,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.45 : 15,214.77 = 6,309.63 : x
  2. Step 2: Convert to fraction form
    11,025.45/15,214.77 = 6,309.63/x
  3. Step 3: Cross multiply
    11,025.45x = 15,214.77 × 6,309.63
  4. Step 4: Simplify right side
    11,025.45x = 95,999,569.24
  5. Step 5: Solve for x
    x = 95,999,569.24/11,025.45
  6. Step 6: Final answer
    x = 8,707.09

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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.