Home / 9,057.87-13,586.58-4,128.81

Finding the Fourth Proportional to 9,057.87, 13,586.58 and 4,128.81

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Solution

The fourth proportional to 9,057.87, 13,586.58 and 4,128.81 is: 6,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.87 : 13,586.58 = 4,128.81 : x
  2. Step 2: Convert to fraction form
    9,057.87/13,586.58 = 4,128.81/x
  3. Step 3: Cross multiply
    9,057.87x = 13,586.58 × 4,128.81
  4. Step 4: Simplify right side
    9,057.87x = 56,096,407.37
  5. Step 5: Solve for x
    x = 56,096,407.37/9,057.87
  6. Step 6: Final answer
    x = 6,193.11

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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.