Home / 11,665.52-17,500.40-4,643.30

Finding the Fourth Proportional to 11,665.52, 17,500.40 and 4,643.30

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Solution

The fourth proportional to 11,665.52, 17,500.40 and 4,643.30 is: 6,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.52 : 17,500.40 = 4,643.30 : x
  2. Step 2: Convert to fraction form
    11,665.52/17,500.40 = 4,643.30/x
  3. Step 3: Cross multiply
    11,665.52x = 17,500.40 × 4,643.30
  4. Step 4: Simplify right side
    11,665.52x = 81,259,607.32
  5. Step 5: Solve for x
    x = 81,259,607.32/11,665.52
  6. Step 6: Final answer
    x = 6,965.79

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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.