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Finding the Fourth Proportional to 9,174.50, 12,660.84 and 6,036.32

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Solution

The fourth proportional to 9,174.50, 12,660.84 and 6,036.32 is: 8,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.50 : 12,660.84 = 6,036.32 : x
  2. Step 2: Convert to fraction form
    9,174.50/12,660.84 = 6,036.32/x
  3. Step 3: Cross multiply
    9,174.50x = 12,660.84 × 6,036.32
  4. Step 4: Simplify right side
    9,174.50x = 76,424,881.71
  5. Step 5: Solve for x
    x = 76,424,881.71/9,174.50
  6. Step 6: Final answer
    x = 8,330.14

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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.