Home / 11,904.72-17,769.70-10,503.44

Finding the Fourth Proportional to 11,904.72, 17,769.70 and 10,503.44

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Solution

The fourth proportional to 11,904.72, 17,769.70 and 10,503.44 is: 15,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.72 : 17,769.70 = 10,503.44 : x
  2. Step 2: Convert to fraction form
    11,904.72/17,769.70 = 10,503.44/x
  3. Step 3: Cross multiply
    11,904.72x = 17,769.70 × 10,503.44
  4. Step 4: Simplify right side
    11,904.72x = 186,642,977.77
  5. Step 5: Solve for x
    x = 186,642,977.77/11,904.72
  6. Step 6: Final answer
    x = 15,678.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.