Home / 34,098.16-51,145.80-11,911.56

Finding the Fourth Proportional to 34,098.16, 51,145.80 and 11,911.56

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Solution

The fourth proportional to 34,098.16, 51,145.80 and 11,911.56 is: 17,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098.16 : 51,145.80 = 11,911.56 : x
  2. Step 2: Convert to fraction form
    34,098.16/51,145.80 = 11,911.56/x
  3. Step 3: Cross multiply
    34,098.16x = 51,145.80 × 11,911.56
  4. Step 4: Simplify right side
    34,098.16x = 609,226,265.45
  5. Step 5: Solve for x
    x = 609,226,265.45/34,098.16
  6. Step 6: Final answer
    x = 17,866.84

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1.5x scale

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.