Home / 11,970.32-17,962.96-4,575.40

Finding the Fourth Proportional to 11,970.32, 17,962.96 and 4,575.40

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Solution

The fourth proportional to 11,970.32, 17,962.96 and 4,575.40 is: 6,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.32 : 17,962.96 = 4,575.40 : x
  2. Step 2: Convert to fraction form
    11,970.32/17,962.96 = 4,575.40/x
  3. Step 3: Cross multiply
    11,970.32x = 17,962.96 × 4,575.40
  4. Step 4: Simplify right side
    11,970.32x = 82,187,727.18
  5. Step 5: Solve for x
    x = 82,187,727.18/11,970.32
  6. Step 6: Final answer
    x = 6,865.96

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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.