Home / 8,456.36-11,669.46-4,730.12

Finding the Fourth Proportional to 8,456.36, 11,669.46 and 4,730.12

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Solution

The fourth proportional to 8,456.36, 11,669.46 and 4,730.12 is: 6,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.36 : 11,669.46 = 4,730.12 : x
  2. Step 2: Convert to fraction form
    8,456.36/11,669.46 = 4,730.12/x
  3. Step 3: Cross multiply
    8,456.36x = 11,669.46 × 4,730.12
  4. Step 4: Simplify right side
    8,456.36x = 55,197,946.14
  5. Step 5: Solve for x
    x = 55,197,946.14/8,456.36
  6. Step 6: Final answer
    x = 6,527.39

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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.