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Finding the Fourth Proportional to 11,631.51, 16,050.02 and 7,862.87

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Solution

The fourth proportional to 11,631.51, 16,050.02 and 7,862.87 is: 10,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.51 : 16,050.02 = 7,862.87 : x
  2. Step 2: Convert to fraction form
    11,631.51/16,050.02 = 7,862.87/x
  3. Step 3: Cross multiply
    11,631.51x = 16,050.02 × 7,862.87
  4. Step 4: Simplify right side
    11,631.51x = 126,199,200.29
  5. Step 5: Solve for x
    x = 126,199,200.29/11,631.51
  6. Step 6: Final answer
    x = 10,849.77

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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.