Home / 10,160.79-15,241.67-3,587.67

Finding the Fourth Proportional to 10,160.79, 15,241.67 and 3,587.67

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Solution

The fourth proportional to 10,160.79, 15,241.67 and 3,587.67 is: 5,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.79 : 15,241.67 = 3,587.67 : x
  2. Step 2: Convert to fraction form
    10,160.79/15,241.67 = 3,587.67/x
  3. Step 3: Cross multiply
    10,160.79x = 15,241.67 × 3,587.67
  4. Step 4: Simplify right side
    10,160.79x = 54,682,064.27
  5. Step 5: Solve for x
    x = 54,682,064.27/10,160.79
  6. Step 6: Final answer
    x = 5,381.67

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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.