Home / 8,456.16-11,668.08-5,052.72

Finding the Fourth Proportional to 8,456.16, 11,668.08 and 5,052.72

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Solution

The fourth proportional to 8,456.16, 11,668.08 and 5,052.72 is: 6,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.16 : 11,668.08 = 5,052.72 : x
  2. Step 2: Convert to fraction form
    8,456.16/11,668.08 = 5,052.72/x
  3. Step 3: Cross multiply
    8,456.16x = 11,668.08 × 5,052.72
  4. Step 4: Simplify right side
    8,456.16x = 58,955,541.18
  5. Step 5: Solve for x
    x = 58,955,541.18/8,456.16
  6. Step 6: Final answer
    x = 6,971.90

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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.