Home / 8,667.36-11,960.96-4,688.48

Finding the Fourth Proportional to 8,667.36, 11,960.96 and 4,688.48

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Solution

The fourth proportional to 8,667.36, 11,960.96 and 4,688.48 is: 6,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.36 : 11,960.96 = 4,688.48 : x
  2. Step 2: Convert to fraction form
    8,667.36/11,960.96 = 4,688.48/x
  3. Step 3: Cross multiply
    8,667.36x = 11,960.96 × 4,688.48
  4. Step 4: Simplify right side
    8,667.36x = 56,078,638.49
  5. Step 5: Solve for x
    x = 56,078,638.49/8,667.36
  6. Step 6: Final answer
    x = 6,470.09

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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.