Home / 7,975.60-11,006.12-4,438.76

Finding the Fourth Proportional to 7,975.60, 11,006.12 and 4,438.76

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Solution

The fourth proportional to 7,975.60, 11,006.12 and 4,438.76 is: 6,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.60 : 11,006.12 = 4,438.76 : x
  2. Step 2: Convert to fraction form
    7,975.60/11,006.12 = 4,438.76/x
  3. Step 3: Cross multiply
    7,975.60x = 11,006.12 × 4,438.76
  4. Step 4: Simplify right side
    7,975.60x = 48,853,525.21
  5. Step 5: Solve for x
    x = 48,853,525.21/7,975.60
  6. Step 6: Final answer
    x = 6,125.37

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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.