Home / 7,637.21-11,457.45-2,372.11

Finding the Fourth Proportional to 7,637.21, 11,457.45 and 2,372.11

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Solution

The fourth proportional to 7,637.21, 11,457.45 and 2,372.11 is: 3,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.21 : 11,457.45 = 2,372.11 : x
  2. Step 2: Convert to fraction form
    7,637.21/11,457.45 = 2,372.11/x
  3. Step 3: Cross multiply
    7,637.21x = 11,457.45 × 2,372.11
  4. Step 4: Simplify right side
    7,637.21x = 27,178,274.43
  5. Step 5: Solve for x
    x = 27,178,274.43/7,637.21
  6. Step 6: Final answer
    x = 3,558.67

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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.