Home / 8,302.82-11,457.48-4,717.31

Finding the Fourth Proportional to 8,302.82, 11,457.48 and 4,717.31

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Solution

The fourth proportional to 8,302.82, 11,457.48 and 4,717.31 is: 6,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.82 : 11,457.48 = 4,717.31 : x
  2. Step 2: Convert to fraction form
    8,302.82/11,457.48 = 4,717.31/x
  3. Step 3: Cross multiply
    8,302.82x = 11,457.48 × 4,717.31
  4. Step 4: Simplify right side
    8,302.82x = 54,048,513.62
  5. Step 5: Solve for x
    x = 54,048,513.62/8,302.82
  6. Step 6: Final answer
    x = 6,509.65

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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.