Home / 10,333.81-15,492.09-4,791.12

Finding the Fourth Proportional to 10,333.81, 15,492.09 and 4,791.12

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Solution

The fourth proportional to 10,333.81, 15,492.09 and 4,791.12 is: 7,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.81 : 15,492.09 = 4,791.12 : x
  2. Step 2: Convert to fraction form
    10,333.81/15,492.09 = 4,791.12/x
  3. Step 3: Cross multiply
    10,333.81x = 15,492.09 × 4,791.12
  4. Step 4: Simplify right side
    10,333.81x = 74,224,462.24
  5. Step 5: Solve for x
    x = 74,224,462.24/10,333.81
  6. Step 6: Final answer
    x = 7,182.68

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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.