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Finding the Fourth Proportional to 6,497.98, 8,956.68 and 5,079.16

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Solution

The fourth proportional to 6,497.98, 8,956.68 and 5,079.16 is: 7,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497.98 : 8,956.68 = 5,079.16 : x
  2. Step 2: Convert to fraction form
    6,497.98/8,956.68 = 5,079.16/x
  3. Step 3: Cross multiply
    6,497.98x = 8,956.68 × 5,079.16
  4. Step 4: Simplify right side
    6,497.98x = 45,492,410.79
  5. Step 5: Solve for x
    x = 45,492,410.79/6,497.98
  6. Step 6: Final answer
    x = 7,001.01

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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.