Home / 9,672.30-13,349.26-5,425.08

Finding the Fourth Proportional to 9,672.30, 13,349.26 and 5,425.08

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Solution

The fourth proportional to 9,672.30, 13,349.26 and 5,425.08 is: 7,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.30 : 13,349.26 = 5,425.08 : x
  2. Step 2: Convert to fraction form
    9,672.30/13,349.26 = 5,425.08/x
  3. Step 3: Cross multiply
    9,672.30x = 13,349.26 × 5,425.08
  4. Step 4: Simplify right side
    9,672.30x = 72,420,803.44
  5. Step 5: Solve for x
    x = 72,420,803.44/9,672.30
  6. Step 6: Final answer
    x = 7,487.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.