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Finding the Fourth Proportional to 8,812.58, 12,162.39 and 5,036.36

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Solution

The fourth proportional to 8,812.58, 12,162.39 and 5,036.36 is: 6,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.58 : 12,162.39 = 5,036.36 : x
  2. Step 2: Convert to fraction form
    8,812.58/12,162.39 = 5,036.36/x
  3. Step 3: Cross multiply
    8,812.58x = 12,162.39 × 5,036.36
  4. Step 4: Simplify right side
    8,812.58x = 61,254,174.50
  5. Step 5: Solve for x
    x = 61,254,174.50/8,812.58
  6. Step 6: Final answer
    x = 6,950.77

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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.