Home / 10,457.64-15,676.38-3,528.36

Finding the Fourth Proportional to 10,457.64, 15,676.38 and 3,528.36

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Solution

The fourth proportional to 10,457.64, 15,676.38 and 3,528.36 is: 5,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.64 : 15,676.38 = 3,528.36 : x
  2. Step 2: Convert to fraction form
    10,457.64/15,676.38 = 3,528.36/x
  3. Step 3: Cross multiply
    10,457.64x = 15,676.38 × 3,528.36
  4. Step 4: Simplify right side
    10,457.64x = 55,311,912.14
  5. Step 5: Solve for x
    x = 55,311,912.14/10,457.64
  6. Step 6: Final answer
    x = 5,289.14

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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.