Home / 10,623.84-15,929.82-9,424.77

Finding the Fourth Proportional to 10,623.84, 15,929.82 and 9,424.77

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Solution

The fourth proportional to 10,623.84, 15,929.82 and 9,424.77 is: 14,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.84 : 15,929.82 = 9,424.77 : x
  2. Step 2: Convert to fraction form
    10,623.84/15,929.82 = 9,424.77/x
  3. Step 3: Cross multiply
    10,623.84x = 15,929.82 × 9,424.77
  4. Step 4: Simplify right side
    10,623.84x = 150,134,889.64
  5. Step 5: Solve for x
    x = 150,134,889.64/10,623.84
  6. Step 6: Final answer
    x = 14,131.89

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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.