Home / 10,749.66-16,127.37-4,904.70

Finding the Fourth Proportional to 10,749.66, 16,127.37 and 4,904.70

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Solution

The fourth proportional to 10,749.66, 16,127.37 and 4,904.70 is: 7,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.66 : 16,127.37 = 4,904.70 : x
  2. Step 2: Convert to fraction form
    10,749.66/16,127.37 = 4,904.70/x
  3. Step 3: Cross multiply
    10,749.66x = 16,127.37 × 4,904.70
  4. Step 4: Simplify right side
    10,749.66x = 79,099,911.64
  5. Step 5: Solve for x
    x = 79,099,911.64/10,749.66
  6. Step 6: Final answer
    x = 7,358.36

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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.