Home / 8,606.74-11,872.91-5,624.32

Finding the Fourth Proportional to 8,606.74, 11,872.91 and 5,624.32

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Solution

The fourth proportional to 8,606.74, 11,872.91 and 5,624.32 is: 7,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.74 : 11,872.91 = 5,624.32 : x
  2. Step 2: Convert to fraction form
    8,606.74/11,872.91 = 5,624.32/x
  3. Step 3: Cross multiply
    8,606.74x = 11,872.91 × 5,624.32
  4. Step 4: Simplify right side
    8,606.74x = 66,777,045.17
  5. Step 5: Solve for x
    x = 66,777,045.17/8,606.74
  6. Step 6: Final answer
    x = 7,758.69

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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.