Home / 11,550.15-15,933.53-7,299.18

Finding the Fourth Proportional to 11,550.15, 15,933.53 and 7,299.18

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Solution

The fourth proportional to 11,550.15, 15,933.53 and 7,299.18 is: 10,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.15 : 15,933.53 = 7,299.18 : x
  2. Step 2: Convert to fraction form
    11,550.15/15,933.53 = 7,299.18/x
  3. Step 3: Cross multiply
    11,550.15x = 15,933.53 × 7,299.18
  4. Step 4: Simplify right side
    11,550.15x = 116,301,721.75
  5. Step 5: Solve for x
    x = 116,301,721.75/11,550.15
  6. Step 6: Final answer
    x = 10,069.28

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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.