Home / 11,970.86-17,955.80-4,575.02

Finding the Fourth Proportional to 11,970.86, 17,955.80 and 4,575.02

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Solution

The fourth proportional to 11,970.86, 17,955.80 and 4,575.02 is: 6,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.86 : 17,955.80 = 4,575.02 : x
  2. Step 2: Convert to fraction form
    11,970.86/17,955.80 = 4,575.02/x
  3. Step 3: Cross multiply
    11,970.86x = 17,955.80 × 4,575.02
  4. Step 4: Simplify right side
    11,970.86x = 82,148,144.12
  5. Step 5: Solve for x
    x = 82,148,144.12/11,970.86
  6. Step 6: Final answer
    x = 6,862.34

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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.