Home / 10,372.88-14,314.44-5,657.06

Finding the Fourth Proportional to 10,372.88, 14,314.44 and 5,657.06

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Solution

The fourth proportional to 10,372.88, 14,314.44 and 5,657.06 is: 7,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.88 : 14,314.44 = 5,657.06 : x
  2. Step 2: Convert to fraction form
    10,372.88/14,314.44 = 5,657.06/x
  3. Step 3: Cross multiply
    10,372.88x = 14,314.44 × 5,657.06
  4. Step 4: Simplify right side
    10,372.88x = 80,977,645.95
  5. Step 5: Solve for x
    x = 80,977,645.95/10,372.88
  6. Step 6: Final answer
    x = 7,806.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.