Home / 10,583.91-15,875.91-2,686.44

Finding the Fourth Proportional to 10,583.91, 15,875.91 and 2,686.44

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Solution

The fourth proportional to 10,583.91, 15,875.91 and 2,686.44 is: 4,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.91 : 15,875.91 = 2,686.44 : x
  2. Step 2: Convert to fraction form
    10,583.91/15,875.91 = 2,686.44/x
  3. Step 3: Cross multiply
    10,583.91x = 15,875.91 × 2,686.44
  4. Step 4: Simplify right side
    10,583.91x = 42,649,679.66
  5. Step 5: Solve for x
    x = 42,649,679.66/10,583.91
  6. Step 6: Final answer
    x = 4,029.67

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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.