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Finding the Fourth Proportional to 11,807.70, 16,295.06 and 7,333.92

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Solution

The fourth proportional to 11,807.70, 16,295.06 and 7,333.92 is: 10,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.70 : 16,295.06 = 7,333.92 : x
  2. Step 2: Convert to fraction form
    11,807.70/16,295.06 = 7,333.92/x
  3. Step 3: Cross multiply
    11,807.70x = 16,295.06 × 7,333.92
  4. Step 4: Simplify right side
    11,807.70x = 119,506,666.44
  5. Step 5: Solve for x
    x = 119,506,666.44/11,807.70
  6. Step 6: Final answer
    x = 10,121.08

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Double scale
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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.