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Finding the Fourth Proportional to 9,087.65, 12,541.02 and 5,310.98

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Solution

The fourth proportional to 9,087.65, 12,541.02 and 5,310.98 is: 7,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.65 : 12,541.02 = 5,310.98 : x
  2. Step 2: Convert to fraction form
    9,087.65/12,541.02 = 5,310.98/x
  3. Step 3: Cross multiply
    9,087.65x = 12,541.02 × 5,310.98
  4. Step 4: Simplify right side
    9,087.65x = 66,605,043.69
  5. Step 5: Solve for x
    x = 66,605,043.69/9,087.65
  6. Step 6: Final answer
    x = 7,329.19

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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.