Home / 10,555.08-15,836.24-9,240.44

Finding the Fourth Proportional to 10,555.08, 15,836.24 and 9,240.44

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Solution

The fourth proportional to 10,555.08, 15,836.24 and 9,240.44 is: 13,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.08 : 15,836.24 = 9,240.44 : x
  2. Step 2: Convert to fraction form
    10,555.08/15,836.24 = 9,240.44/x
  3. Step 3: Cross multiply
    10,555.08x = 15,836.24 × 9,240.44
  4. Step 4: Simplify right side
    10,555.08x = 146,333,825.55
  5. Step 5: Solve for x
    x = 146,333,825.55/10,555.08
  6. Step 6: Final answer
    x = 13,863.83

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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.