Home / 11,544.71-15,931.38-6,508.89

Finding the Fourth Proportional to 11,544.71, 15,931.38 and 6,508.89

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Solution

The fourth proportional to 11,544.71, 15,931.38 and 6,508.89 is: 8,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.71 : 15,931.38 = 6,508.89 : x
  2. Step 2: Convert to fraction form
    11,544.71/15,931.38 = 6,508.89/x
  3. Step 3: Cross multiply
    11,544.71x = 15,931.38 × 6,508.89
  4. Step 4: Simplify right side
    11,544.71x = 103,695,590.77
  5. Step 5: Solve for x
    x = 103,695,590.77/11,544.71
  6. Step 6: Final answer
    x = 8,982.09

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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.