Home / 10,436.76-15,661.08-6,924.42

Finding the Fourth Proportional to 10,436.76, 15,661.08 and 6,924.42

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Solution

The fourth proportional to 10,436.76, 15,661.08 and 6,924.42 is: 10,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.76 : 15,661.08 = 6,924.42 : x
  2. Step 2: Convert to fraction form
    10,436.76/15,661.08 = 6,924.42/x
  3. Step 3: Cross multiply
    10,436.76x = 15,661.08 × 6,924.42
  4. Step 4: Simplify right side
    10,436.76x = 108,443,895.57
  5. Step 5: Solve for x
    x = 108,443,895.57/10,436.76
  6. Step 6: Final answer
    x = 10,390.57

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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.