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Finding the Fourth Proportional to 8,506.27, 11,734.86 and 5,670.89

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Solution

The fourth proportional to 8,506.27, 11,734.86 and 5,670.89 is: 7,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.27 : 11,734.86 = 5,670.89 : x
  2. Step 2: Convert to fraction form
    8,506.27/11,734.86 = 5,670.89/x
  3. Step 3: Cross multiply
    8,506.27x = 11,734.86 × 5,670.89
  4. Step 4: Simplify right side
    8,506.27x = 66,547,100.23
  5. Step 5: Solve for x
    x = 66,547,100.23/8,506.27
  6. Step 6: Final answer
    x = 7,823.30

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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.