Home / 11,009.71-15,195.60-6,535.93

Finding the Fourth Proportional to 11,009.71, 15,195.60 and 6,535.93

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Solution

The fourth proportional to 11,009.71, 15,195.60 and 6,535.93 is: 9,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.71 : 15,195.60 = 6,535.93 : x
  2. Step 2: Convert to fraction form
    11,009.71/15,195.60 = 6,535.93/x
  3. Step 3: Cross multiply
    11,009.71x = 15,195.60 × 6,535.93
  4. Step 4: Simplify right side
    11,009.71x = 99,317,377.91
  5. Step 5: Solve for x
    x = 99,317,377.91/11,009.71
  6. Step 6: Final answer
    x = 9,020.89

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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.