Home / 9,676.50-13,353.84-5,485.02

Finding the Fourth Proportional to 9,676.50, 13,353.84 and 5,485.02

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Solution

The fourth proportional to 9,676.50, 13,353.84 and 5,485.02 is: 7,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.50 : 13,353.84 = 5,485.02 : x
  2. Step 2: Convert to fraction form
    9,676.50/13,353.84 = 5,485.02/x
  3. Step 3: Cross multiply
    9,676.50x = 13,353.84 × 5,485.02
  4. Step 4: Simplify right side
    9,676.50x = 73,246,079.48
  5. Step 5: Solve for x
    x = 73,246,079.48/9,676.50
  6. Step 6: Final answer
    x = 7,569.48

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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.