Home / 10,453.55-15,681.60-3,434.33

Finding the Fourth Proportional to 10,453.55, 15,681.60 and 3,434.33

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Solution

The fourth proportional to 10,453.55, 15,681.60 and 3,434.33 is: 5,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.55 : 15,681.60 = 3,434.33 : x
  2. Step 2: Convert to fraction form
    10,453.55/15,681.60 = 3,434.33/x
  3. Step 3: Cross multiply
    10,453.55x = 15,681.60 × 3,434.33
  4. Step 4: Simplify right side
    10,453.55x = 53,855,710.92
  5. Step 5: Solve for x
    x = 53,855,710.92/10,453.55
  6. Step 6: Final answer
    x = 5,151.91

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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.