Home / 10,457.88-15,687.63-2,666.67

Finding the Fourth Proportional to 10,457.88, 15,687.63 and 2,666.67

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Solution

The fourth proportional to 10,457.88, 15,687.63 and 2,666.67 is: 4,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.88 : 15,687.63 = 2,666.67 : x
  2. Step 2: Convert to fraction form
    10,457.88/15,687.63 = 2,666.67/x
  3. Step 3: Cross multiply
    10,457.88x = 15,687.63 × 2,666.67
  4. Step 4: Simplify right side
    10,457.88x = 41,833,732.29
  5. Step 5: Solve for x
    x = 41,833,732.29/10,457.88
  6. Step 6: Final answer
    x = 4,000.21

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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.