Home / 11,265.81-15,548.19-6,550.11

Finding the Fourth Proportional to 11,265.81, 15,548.19 and 6,550.11

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Solution

The fourth proportional to 11,265.81, 15,548.19 and 6,550.11 is: 9,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.81 : 15,548.19 = 6,550.11 : x
  2. Step 2: Convert to fraction form
    11,265.81/15,548.19 = 6,550.11/x
  3. Step 3: Cross multiply
    11,265.81x = 15,548.19 × 6,550.11
  4. Step 4: Simplify right side
    11,265.81x = 101,842,354.80
  5. Step 5: Solve for x
    x = 101,842,354.80/11,265.81
  6. Step 6: Final answer
    x = 9,039.95

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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.