Home / 8,631.06-11,898.81-7,299.42

Finding the Fourth Proportional to 8,631.06, 11,898.81 and 7,299.42

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Solution

The fourth proportional to 8,631.06, 11,898.81 and 7,299.42 is: 10,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.06 : 11,898.81 = 7,299.42 : x
  2. Step 2: Convert to fraction form
    8,631.06/11,898.81 = 7,299.42/x
  3. Step 3: Cross multiply
    8,631.06x = 11,898.81 × 7,299.42
  4. Step 4: Simplify right side
    8,631.06x = 86,854,411.69
  5. Step 5: Solve for x
    x = 86,854,411.69/8,631.06
  6. Step 6: Final answer
    x = 10,063.01

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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.