Home / 9,555.36-13,186.41-5,363.64

Finding the Fourth Proportional to 9,555.36, 13,186.41 and 5,363.64

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Solution

The fourth proportional to 9,555.36, 13,186.41 and 5,363.64 is: 7,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.36 : 13,186.41 = 5,363.64 : x
  2. Step 2: Convert to fraction form
    9,555.36/13,186.41 = 5,363.64/x
  3. Step 3: Cross multiply
    9,555.36x = 13,186.41 × 5,363.64
  4. Step 4: Simplify right side
    9,555.36x = 70,727,156.13
  5. Step 5: Solve for x
    x = 70,727,156.13/9,555.36
  6. Step 6: Final answer
    x = 7,401.83

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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.