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Finding the Fourth Proportional to 8,147.03, 11,248.65 and 6,356.45

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Solution

The fourth proportional to 8,147.03, 11,248.65 and 6,356.45 is: 8,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.03 : 11,248.65 = 6,356.45 : x
  2. Step 2: Convert to fraction form
    8,147.03/11,248.65 = 6,356.45/x
  3. Step 3: Cross multiply
    8,147.03x = 11,248.65 × 6,356.45
  4. Step 4: Simplify right side
    8,147.03x = 71,501,509.41
  5. Step 5: Solve for x
    x = 71,501,509.41/8,147.03
  6. Step 6: Final answer
    x = 8,776.39

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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.