Home / 11,521.03-15,884.49-7,535.83

Finding the Fourth Proportional to 11,521.03, 15,884.49 and 7,535.83

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Solution

The fourth proportional to 11,521.03, 15,884.49 and 7,535.83 is: 10,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.03 : 15,884.49 = 7,535.83 : x
  2. Step 2: Convert to fraction form
    11,521.03/15,884.49 = 7,535.83/x
  3. Step 3: Cross multiply
    11,521.03x = 15,884.49 × 7,535.83
  4. Step 4: Simplify right side
    11,521.03x = 119,702,816.28
  5. Step 5: Solve for x
    x = 119,702,816.28/11,521.03
  6. Step 6: Final answer
    x = 10,389.94

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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.