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Finding the Fourth Proportional to 9,499.70, 13,039.35 and 9,093.74

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Solution

The fourth proportional to 9,499.70, 13,039.35 and 9,093.74 is: 12,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,499.70 : 13,039.35 = 9,093.74 : x
  2. Step 2: Convert to fraction form
    9,499.70/13,039.35 = 9,093.74/x
  3. Step 3: Cross multiply
    9,499.70x = 13,039.35 × 9,093.74
  4. Step 4: Simplify right side
    9,499.70x = 118,576,393.47
  5. Step 5: Solve for x
    x = 118,576,393.47/9,499.70
  6. Step 6: Final answer
    x = 12,482.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.