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Finding the Fourth Proportional to 11,818.99, 16,302.99 and 7,035.74

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Solution

The fourth proportional to 11,818.99, 16,302.99 and 7,035.74 is: 9,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.99 : 16,302.99 = 7,035.74 : x
  2. Step 2: Convert to fraction form
    11,818.99/16,302.99 = 7,035.74/x
  3. Step 3: Cross multiply
    11,818.99x = 16,302.99 × 7,035.74
  4. Step 4: Simplify right side
    11,818.99x = 114,703,598.86
  5. Step 5: Solve for x
    x = 114,703,598.86/11,818.99
  6. Step 6: Final answer
    x = 9,705.03

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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.