Home / 10,424.07-15,638.07-4,184.57

Finding the Fourth Proportional to 10,424.07, 15,638.07 and 4,184.57

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Solution

The fourth proportional to 10,424.07, 15,638.07 and 4,184.57 is: 6,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.07 : 15,638.07 = 4,184.57 : x
  2. Step 2: Convert to fraction form
    10,424.07/15,638.07 = 4,184.57/x
  3. Step 3: Cross multiply
    10,424.07x = 15,638.07 × 4,184.57
  4. Step 4: Simplify right side
    10,424.07x = 65,438,499.47
  5. Step 5: Solve for x
    x = 65,438,499.47/10,424.07
  6. Step 6: Final answer
    x = 6,277.64

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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.