Home / 10,245.45-15,368.19-3,671.49

Finding the Fourth Proportional to 10,245.45, 15,368.19 and 3,671.49

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Solution

The fourth proportional to 10,245.45, 15,368.19 and 3,671.49 is: 5,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.45 : 15,368.19 = 3,671.49 : x
  2. Step 2: Convert to fraction form
    10,245.45/15,368.19 = 3,671.49/x
  3. Step 3: Cross multiply
    10,245.45x = 15,368.19 × 3,671.49
  4. Step 4: Simplify right side
    10,245.45x = 56,424,155.90
  5. Step 5: Solve for x
    x = 56,424,155.90/10,245.45
  6. Step 6: Final answer
    x = 5,507.24

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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.