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Finding the Fourth Proportional to 8,598.48, 11,871.96 and 6,712.16

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Solution

The fourth proportional to 8,598.48, 11,871.96 and 6,712.16 is: 9,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.48 : 11,871.96 = 6,712.16 : x
  2. Step 2: Convert to fraction form
    8,598.48/11,871.96 = 6,712.16/x
  3. Step 3: Cross multiply
    8,598.48x = 11,871.96 × 6,712.16
  4. Step 4: Simplify right side
    8,598.48x = 79,686,495.03
  5. Step 5: Solve for x
    x = 79,686,495.03/8,598.48
  6. Step 6: Final answer
    x = 9,267.51

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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.