Home / 9,555.40-13,183.86-5,363.56

Finding the Fourth Proportional to 9,555.40, 13,183.86 and 5,363.56

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Solution

The fourth proportional to 9,555.40, 13,183.86 and 5,363.56 is: 7,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.40 : 13,183.86 = 5,363.56 : x
  2. Step 2: Convert to fraction form
    9,555.40/13,183.86 = 5,363.56/x
  3. Step 3: Cross multiply
    9,555.40x = 13,183.86 × 5,363.56
  4. Step 4: Simplify right side
    9,555.40x = 70,712,424.14
  5. Step 5: Solve for x
    x = 70,712,424.14/9,555.40
  6. Step 6: Final answer
    x = 7,400.26

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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.