Home / 10,341.23-15,514.58-5,409.55

Finding the Fourth Proportional to 10,341.23, 15,514.58 and 5,409.55

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Solution

The fourth proportional to 10,341.23, 15,514.58 and 5,409.55 is: 8,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.23 : 15,514.58 = 5,409.55 : x
  2. Step 2: Convert to fraction form
    10,341.23/15,514.58 = 5,409.55/x
  3. Step 3: Cross multiply
    10,341.23x = 15,514.58 × 5,409.55
  4. Step 4: Simplify right side
    10,341.23x = 83,926,791.62
  5. Step 5: Solve for x
    x = 83,926,791.62/10,341.23
  6. Step 6: Final answer
    x = 8,115.75

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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.