Home / 10,453.09-15,681.14-3,433.66

Finding the Fourth Proportional to 10,453.09, 15,681.14 and 3,433.66

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Solution

The fourth proportional to 10,453.09, 15,681.14 and 3,433.66 is: 5,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.09 : 15,681.14 = 3,433.66 : x
  2. Step 2: Convert to fraction form
    10,453.09/15,681.14 = 3,433.66/x
  3. Step 3: Cross multiply
    10,453.09x = 15,681.14 × 3,433.66
  4. Step 4: Simplify right side
    10,453.09x = 53,843,703.17
  5. Step 5: Solve for x
    x = 53,843,703.17/10,453.09
  6. Step 6: Final answer
    x = 5,150.98

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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.