Home / 8,667.05-11,960.53-4,688.16

Finding the Fourth Proportional to 8,667.05, 11,960.53 and 4,688.16

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Solution

The fourth proportional to 8,667.05, 11,960.53 and 4,688.16 is: 6,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.05 : 11,960.53 = 4,688.16 : x
  2. Step 2: Convert to fraction form
    8,667.05/11,960.53 = 4,688.16/x
  3. Step 3: Cross multiply
    8,667.05x = 11,960.53 × 4,688.16
  4. Step 4: Simplify right side
    8,667.05x = 56,072,878.32
  5. Step 5: Solve for x
    x = 56,072,878.32/8,667.05
  6. Step 6: Final answer
    x = 6,469.66

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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.