Home / 10,749.42-16,126.87-4,904.66

Finding the Fourth Proportional to 10,749.42, 16,126.87 and 4,904.66

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Solution

The fourth proportional to 10,749.42, 16,126.87 and 4,904.66 is: 7,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.42 : 16,126.87 = 4,904.66 : x
  2. Step 2: Convert to fraction form
    10,749.42/16,126.87 = 4,904.66/x
  3. Step 3: Cross multiply
    10,749.42x = 16,126.87 × 4,904.66
  4. Step 4: Simplify right side
    10,749.42x = 79,096,814.21
  5. Step 5: Solve for x
    x = 79,096,814.21/10,749.42
  6. Step 6: Final answer
    x = 7,358.24

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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.