Home / 11,769.55-17,718.45-10,162.51

Finding the Fourth Proportional to 11,769.55, 17,718.45 and 10,162.51

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Solution

The fourth proportional to 11,769.55, 17,718.45 and 10,162.51 is: 15,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.55 : 17,718.45 = 10,162.51 : x
  2. Step 2: Convert to fraction form
    11,769.55/17,718.45 = 10,162.51/x
  3. Step 3: Cross multiply
    11,769.55x = 17,718.45 × 10,162.51
  4. Step 4: Simplify right side
    11,769.55x = 180,063,925.31
  5. Step 5: Solve for x
    x = 180,063,925.31/11,769.55
  6. Step 6: Final answer
    x = 15,299.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.