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Finding the Fourth Proportional to 8,597.48, 11,870.58 and 6,711.16

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Solution

The fourth proportional to 8,597.48, 11,870.58 and 6,711.16 is: 9,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.48 : 11,870.58 = 6,711.16 : x
  2. Step 2: Convert to fraction form
    8,597.48/11,870.58 = 6,711.16/x
  3. Step 3: Cross multiply
    8,597.48x = 11,870.58 × 6,711.16
  4. Step 4: Simplify right side
    8,597.48x = 79,665,361.67
  5. Step 5: Solve for x
    x = 79,665,361.67/8,597.48
  6. Step 6: Final answer
    x = 9,266.13

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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.