Home / 11,712.04-17,555.74-7,269.68

Finding the Fourth Proportional to 11,712.04, 17,555.74 and 7,269.68

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Solution

The fourth proportional to 11,712.04, 17,555.74 and 7,269.68 is: 10,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.04 : 17,555.74 = 7,269.68 : x
  2. Step 2: Convert to fraction form
    11,712.04/17,555.74 = 7,269.68/x
  3. Step 3: Cross multiply
    11,712.04x = 17,555.74 × 7,269.68
  4. Step 4: Simplify right side
    11,712.04x = 127,624,637.68
  5. Step 5: Solve for x
    x = 127,624,637.68/11,712.04
  6. Step 6: Final answer
    x = 10,896.88

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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.