Home / 9,324.56-13,985.72-5,109.04

Finding the Fourth Proportional to 9,324.56, 13,985.72 and 5,109.04

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Solution

The fourth proportional to 9,324.56, 13,985.72 and 5,109.04 is: 7,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.56 : 13,985.72 = 5,109.04 : x
  2. Step 2: Convert to fraction form
    9,324.56/13,985.72 = 5,109.04/x
  3. Step 3: Cross multiply
    9,324.56x = 13,985.72 × 5,109.04
  4. Step 4: Simplify right side
    9,324.56x = 71,453,602.91
  5. Step 5: Solve for x
    x = 71,453,602.91/9,324.56
  6. Step 6: Final answer
    x = 7,662.95

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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.