Home / 10,749.58-16,119.18-4,507.92

Finding the Fourth Proportional to 10,749.58, 16,119.18 and 4,507.92

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Solution

The fourth proportional to 10,749.58, 16,119.18 and 4,507.92 is: 6,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.58 : 16,119.18 = 4,507.92 : x
  2. Step 2: Convert to fraction form
    10,749.58/16,119.18 = 4,507.92/x
  3. Step 3: Cross multiply
    10,749.58x = 16,119.18 × 4,507.92
  4. Step 4: Simplify right side
    10,749.58x = 72,663,973.91
  5. Step 5: Solve for x
    x = 72,663,973.91/10,749.58
  6. Step 6: Final answer
    x = 6,759.70

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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.