Home / 9,415.70-14,118.01-3,572.72

Finding the Fourth Proportional to 9,415.70, 14,118.01 and 3,572.72

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Solution

The fourth proportional to 9,415.70, 14,118.01 and 3,572.72 is: 5,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.70 : 14,118.01 = 3,572.72 : x
  2. Step 2: Convert to fraction form
    9,415.70/14,118.01 = 3,572.72/x
  3. Step 3: Cross multiply
    9,415.70x = 14,118.01 × 3,572.72
  4. Step 4: Simplify right side
    9,415.70x = 50,439,608.23
  5. Step 5: Solve for x
    x = 50,439,608.23/9,415.70
  6. Step 6: Final answer
    x = 5,356.97

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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.