Home / 6,129.36-8,455.34-4,996.79

Finding the Fourth Proportional to 6,129.36, 8,455.34 and 4,996.79

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Solution

The fourth proportional to 6,129.36, 8,455.34 and 4,996.79 is: 6,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.36 : 8,455.34 = 4,996.79 : x
  2. Step 2: Convert to fraction form
    6,129.36/8,455.34 = 4,996.79/x
  3. Step 3: Cross multiply
    6,129.36x = 8,455.34 × 4,996.79
  4. Step 4: Simplify right side
    6,129.36x = 42,249,532.17
  5. Step 5: Solve for x
    x = 42,249,532.17/6,129.36
  6. Step 6: Final answer
    x = 6,892.98

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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.