Home / 10,614.54-15,924.51-4,991.11

Finding the Fourth Proportional to 10,614.54, 15,924.51 and 4,991.11

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Solution

The fourth proportional to 10,614.54, 15,924.51 and 4,991.11 is: 7,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.54 : 15,924.51 = 4,991.11 : x
  2. Step 2: Convert to fraction form
    10,614.54/15,924.51 = 4,991.11/x
  3. Step 3: Cross multiply
    10,614.54x = 15,924.51 × 4,991.11
  4. Step 4: Simplify right side
    10,614.54x = 79,480,981.11
  5. Step 5: Solve for x
    x = 79,480,981.11/10,614.54
  6. Step 6: Final answer
    x = 7,487.93

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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.