Home / 37,989.60-56,989.80-11,696.48

Finding the Fourth Proportional to 37,989.60, 56,989.80 and 11,696.48

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Solution

The fourth proportional to 37,989.60, 56,989.80 and 11,696.48 is: 17,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,989.60 : 56,989.80 = 11,696.48 : x
  2. Step 2: Convert to fraction form
    37,989.60/56,989.80 = 11,696.48/x
  3. Step 3: Cross multiply
    37,989.60x = 56,989.80 × 11,696.48
  4. Step 4: Simplify right side
    37,989.60x = 666,580,055.90
  5. Step 5: Solve for x
    x = 666,580,055.90/37,989.60
  6. Step 6: Final answer
    x = 17,546.38

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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.