Home / 10,370.35-15,555.44-2,579.16

Finding the Fourth Proportional to 10,370.35, 15,555.44 and 2,579.16

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Solution

The fourth proportional to 10,370.35, 15,555.44 and 2,579.16 is: 3,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.35 : 15,555.44 = 2,579.16 : x
  2. Step 2: Convert to fraction form
    10,370.35/15,555.44 = 2,579.16/x
  3. Step 3: Cross multiply
    10,370.35x = 15,555.44 × 2,579.16
  4. Step 4: Simplify right side
    10,370.35x = 40,119,945.91
  5. Step 5: Solve for x
    x = 40,119,945.91/10,370.35
  6. Step 6: Final answer
    x = 3,868.72

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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.