Home / 15,511.56-23,267.82-5,124.12

Finding the Fourth Proportional to 15,511.56, 23,267.82 and 5,124.12

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Solution

The fourth proportional to 15,511.56, 23,267.82 and 5,124.12 is: 7,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.56 : 23,267.82 = 5,124.12 : x
  2. Step 2: Convert to fraction form
    15,511.56/23,267.82 = 5,124.12/x
  3. Step 3: Cross multiply
    15,511.56x = 23,267.82 × 5,124.12
  4. Step 4: Simplify right side
    15,511.56x = 119,227,101.82
  5. Step 5: Solve for x
    x = 119,227,101.82/15,511.56
  6. Step 6: Final answer
    x = 7,686.34

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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.