Home / 10,174.72-14,043.15-6,996.64

Finding the Fourth Proportional to 10,174.72, 14,043.15 and 6,996.64

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Solution

The fourth proportional to 10,174.72, 14,043.15 and 6,996.64 is: 9,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.72 : 14,043.15 = 6,996.64 : x
  2. Step 2: Convert to fraction form
    10,174.72/14,043.15 = 6,996.64/x
  3. Step 3: Cross multiply
    10,174.72x = 14,043.15 × 6,996.64
  4. Step 4: Simplify right side
    10,174.72x = 98,254,759.82
  5. Step 5: Solve for x
    x = 98,254,759.82/10,174.72
  6. Step 6: Final answer
    x = 9,656.76

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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.