Home / 11,823.60-16,309.56-7,575.60

Finding the Fourth Proportional to 11,823.60, 16,309.56 and 7,575.60

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Solution

The fourth proportional to 11,823.60, 16,309.56 and 7,575.60 is: 10,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.60 : 16,309.56 = 7,575.60 : x
  2. Step 2: Convert to fraction form
    11,823.60/16,309.56 = 7,575.60/x
  3. Step 3: Cross multiply
    11,823.60x = 16,309.56 × 7,575.60
  4. Step 4: Simplify right side
    11,823.60x = 123,554,702.74
  5. Step 5: Solve for x
    x = 123,554,702.74/11,823.60
  6. Step 6: Final answer
    x = 10,449.84

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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.