Home / 37,740.60-56,616.30-11,447.40

Finding the Fourth Proportional to 37,740.60, 56,616.30 and 11,447.40

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Solution

The fourth proportional to 37,740.60, 56,616.30 and 11,447.40 is: 17,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,740.60 : 56,616.30 = 11,447.40 : x
  2. Step 2: Convert to fraction form
    37,740.60/56,616.30 = 11,447.40/x
  3. Step 3: Cross multiply
    37,740.60x = 56,616.30 × 11,447.40
  4. Step 4: Simplify right side
    37,740.60x = 648,109,432.62
  5. Step 5: Solve for x
    x = 648,109,432.62/37,740.60
  6. Step 6: Final answer
    x = 17,172.74

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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.