Home / 10,076.86-15,115.29-3,503.05

Finding the Fourth Proportional to 10,076.86, 15,115.29 and 3,503.05

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Solution

The fourth proportional to 10,076.86, 15,115.29 and 3,503.05 is: 5,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.86 : 15,115.29 = 3,503.05 : x
  2. Step 2: Convert to fraction form
    10,076.86/15,115.29 = 3,503.05/x
  3. Step 3: Cross multiply
    10,076.86x = 15,115.29 × 3,503.05
  4. Step 4: Simplify right side
    10,076.86x = 52,949,616.63
  5. Step 5: Solve for x
    x = 52,949,616.63/10,076.86
  6. Step 6: Final answer
    x = 5,254.58

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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.