Home / 9,126.05-13,683.60-3,572.78

Finding the Fourth Proportional to 9,126.05, 13,683.60 and 3,572.78

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Solution

The fourth proportional to 9,126.05, 13,683.60 and 3,572.78 is: 5,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.05 : 13,683.60 = 3,572.78 : x
  2. Step 2: Convert to fraction form
    9,126.05/13,683.60 = 3,572.78/x
  3. Step 3: Cross multiply
    9,126.05x = 13,683.60 × 3,572.78
  4. Step 4: Simplify right side
    9,126.05x = 48,888,492.41
  5. Step 5: Solve for x
    x = 48,888,492.41/9,126.05
  6. Step 6: Final answer
    x = 5,357.03

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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.